Quarterly report pursuant to Section 13 or 15(d)

Segment and Geographic Information (Details)

v3.10.0.1
Segment and Geographic Information (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2018
USD ($)
manufacturing_site
Jun. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
manufacturing_site
business_group
Sep. 30, 2017
USD ($)
Segment and geographic information          
Sales Revenue, Goods, Net         $ 575,514
Revenue from Contract with Customer, Excluding Assessed Tax $ 349,233   $ 301,568 $ 676,849 575,514
Number of business groups | business_group       3  
Segment Reporting Information, Profit (Loss) [Abstract]          
Operating income (loss) 50,000   31,597 $ 85,176 59,204
Depreciation and amortization expense 12,545   13,554 25,642 26,013
Restructuring charges 0 $ (96) 1,393 (96) 3,006
North and South America (“Americas”)          
Segment and geographic information          
Sales Revenue, Goods, Net         126,332
Revenue from Contract with Customer, Excluding Assessed Tax 82,289   61,668 154,440  
Europe, Middle East, Africa (“EMEA”)          
Segment and geographic information          
Sales Revenue, Goods, Net         133,078
Revenue from Contract with Customer, Excluding Assessed Tax 77,732   66,585 152,380  
Japan and Korea (“JPKO”)          
Segment and geographic information          
Sales Revenue, Goods, Net         80,119
Revenue from Contract with Customer, Excluding Assessed Tax 50,824   44,739 98,682  
Asia and Pacific Rim (“APAC”)          
Segment and geographic information          
Sales Revenue, Goods, Net         235,985
Revenue from Contract with Customer, Excluding Assessed Tax 138,388   128,576 271,347  
Operating Income (Loss) [Member]          
Segment Reporting Information, Profit (Loss) [Abstract]          
Restructuring charges 0   1,393 (96) 3,006
Corporate, Non-Segment [Member]          
Segment Reporting Information, Profit (Loss) [Abstract]          
Operating income (loss) (46,054)   (34,148) (87,665) (61,736)
Depreciation and amortization expense 1,841   2,436 3,632 4,366
Corporate, Non-Segment [Member] | Operating Income (Loss) [Member]          
Segment Reporting Information, Profit (Loss) [Abstract]          
Restructuring charges 0   873 (79) 2,021
Solid Capacitors          
Segment and geographic information          
Sales Revenue, Goods, Net         373,386
Revenue from Contract with Customer, Excluding Assessed Tax $ 235,473   191,267 $ 449,294  
Number of Manufacturing Sites | manufacturing_site 10     10  
Segment Reporting Information, Profit (Loss) [Abstract]          
Operating income (loss) $ 84,686   56,717 $ 154,351 109,426
Depreciation and amortization expense 7,353   7,547 14,535 14,590
Solid Capacitors | North and South America (“Americas”)          
Segment and geographic information          
Sales Revenue, Goods, Net         17,707
Revenue from Contract with Customer, Excluding Assessed Tax 73,345   54,545 18,400  
Solid Capacitors | Europe, Middle East, Africa (“EMEA”)          
Segment and geographic information          
Sales Revenue, Goods, Net         74,965
Revenue from Contract with Customer, Excluding Assessed Tax 46,073   37,333 87,538  
Solid Capacitors | Japan and Korea (“JPKO”)          
Segment and geographic information          
Sales Revenue, Goods, Net         167,971
Revenue from Contract with Customer, Excluding Assessed Tax 9,520   4,074 206,907  
Solid Capacitors | Asia and Pacific Rim (“APAC”)          
Segment and geographic information          
Sales Revenue, Goods, Net         112,743
Revenue from Contract with Customer, Excluding Assessed Tax 106,535   95,315 136,449  
Solid Capacitors | Operating Income (Loss) [Member]          
Segment Reporting Information, Profit (Loss) [Abstract]          
Restructuring charges 0   416 (18) 720
Film and Electrolytic [Member]          
Segment and geographic information          
Sales Revenue, Goods, Net         95,481
Revenue from Contract with Customer, Excluding Assessed Tax $ 50,628   47,998 $ 105,583  
Number of Manufacturing Sites | manufacturing_site 10     10  
Segment Reporting Information, Profit (Loss) [Abstract]          
Operating income (loss) $ 4,236   1,263 $ 5,303 3,391
Depreciation and amortization expense 2,198   2,781 4,818 5,553
Film and Electrolytic [Member] | North and South America (“Americas”)          
Segment and geographic information          
Sales Revenue, Goods, Net         0
Revenue from Contract with Customer, Excluding Assessed Tax 6,844   5,148 354  
Film and Electrolytic [Member] | Europe, Middle East, Africa (“EMEA”)          
Segment and geographic information          
Sales Revenue, Goods, Net         57,167
Revenue from Contract with Customer, Excluding Assessed Tax 30,831   28,686 63,439  
Film and Electrolytic [Member] | Japan and Korea (“JPKO”)          
Segment and geographic information          
Sales Revenue, Goods, Net         28,463
Revenue from Contract with Customer, Excluding Assessed Tax 244   0 28,297  
Film and Electrolytic [Member] | Asia and Pacific Rim (“APAC”)          
Segment and geographic information          
Sales Revenue, Goods, Net         9,851
Revenue from Contract with Customer, Excluding Assessed Tax 12,709   14,164 13,493  
Film and Electrolytic [Member] | Operating Income (Loss) [Member]          
Segment Reporting Information, Profit (Loss) [Abstract]          
Restructuring charges 0   104 1 265
Electro-magnetic, Sensors & Actuators [Member]          
Segment and geographic information          
Sales Revenue, Goods, Net         106,647
Revenue from Contract with Customer, Excluding Assessed Tax $ 63,132   62,303 $ 121,972  
Number of Manufacturing Sites | manufacturing_site 4     4  
Segment Reporting Information, Profit (Loss) [Abstract]          
Operating income (loss) $ 7,132   7,765 $ 13,187 8,123
Depreciation and amortization expense 1,153   790 2,657 1,504
Electro-magnetic, Sensors & Actuators [Member] | North and South America (“Americas”)          
Segment and geographic information          
Sales Revenue, Goods, Net         62,412
Revenue from Contract with Customer, Excluding Assessed Tax 2,100   1,975 79,928  
Electro-magnetic, Sensors & Actuators [Member] | Europe, Middle East, Africa (“EMEA”)          
Segment and geographic information          
Sales Revenue, Goods, Net         946
Revenue from Contract with Customer, Excluding Assessed Tax 828   566 1,403  
Electro-magnetic, Sensors & Actuators [Member] | Japan and Korea (“JPKO”)          
Segment and geographic information          
Sales Revenue, Goods, Net         39,551
Revenue from Contract with Customer, Excluding Assessed Tax 41,060   40,665 36,143  
Electro-magnetic, Sensors & Actuators [Member] | Asia and Pacific Rim (“APAC”)          
Segment and geographic information          
Sales Revenue, Goods, Net         3,738
Revenue from Contract with Customer, Excluding Assessed Tax 19,144   19,097 4,498  
Electro-magnetic, Sensors & Actuators [Member] | Operating Income (Loss) [Member]          
Segment Reporting Information, Profit (Loss) [Abstract]          
Restructuring charges 0   0 0 0
OEM [Member]          
Segment and geographic information          
Sales Revenue, Goods, Net         266,810
Revenue from Contract with Customer, Excluding Assessed Tax 154,032   149,578 302,961  
OEM [Member] | Solid Capacitors          
Segment and geographic information          
Sales Revenue, Goods, Net         125,915
Revenue from Contract with Customer, Excluding Assessed Tax 74,550   66,923 144,938  
OEM [Member] | Film and Electrolytic [Member]          
Segment and geographic information          
Sales Revenue, Goods, Net         42,735
Revenue from Contract with Customer, Excluding Assessed Tax 20,095   22,295 42,536  
OEM [Member] | Electro-magnetic, Sensors & Actuators [Member]          
Segment and geographic information          
Sales Revenue, Goods, Net         98,160
Revenue from Contract with Customer, Excluding Assessed Tax 59,387   60,360 115,487  
Distributor [Member]          
Segment and geographic information          
Sales Revenue, Goods, Net         222,206
Revenue from Contract with Customer, Excluding Assessed Tax 144,416   107,457 281,102  
Distributor [Member] | Solid Capacitors          
Segment and geographic information          
Sales Revenue, Goods, Net         172,392
Revenue from Contract with Customer, Excluding Assessed Tax 116,947   85,472 224,580  
Distributor [Member] | Film and Electrolytic [Member]          
Segment and geographic information          
Sales Revenue, Goods, Net         41,627
Revenue from Contract with Customer, Excluding Assessed Tax 24,762   20,224 51,330  
Distributor [Member] | Electro-magnetic, Sensors & Actuators [Member]          
Segment and geographic information          
Sales Revenue, Goods, Net         8,187
Revenue from Contract with Customer, Excluding Assessed Tax 2,707   1,761 5,192  
EMS [Member]          
Segment and geographic information          
Sales Revenue, Goods, Net         86,498
Revenue from Contract with Customer, Excluding Assessed Tax 50,785   44,533 92,786  
EMS [Member] | Solid Capacitors          
Segment and geographic information          
Sales Revenue, Goods, Net         75,079
Revenue from Contract with Customer, Excluding Assessed Tax 43,976   38,872 79,776  
EMS [Member] | Film and Electrolytic [Member]          
Segment and geographic information          
Sales Revenue, Goods, Net         11,119
Revenue from Contract with Customer, Excluding Assessed Tax 5,771   5,479 11,717  
EMS [Member] | Electro-magnetic, Sensors & Actuators [Member]          
Segment and geographic information          
Sales Revenue, Goods, Net         300
Revenue from Contract with Customer, Excluding Assessed Tax 1,038   182 1,293  
Tantalum [Member] | Solid Capacitors          
Segment and geographic information          
Sales Revenue, Goods, Net         241,854
Revenue from Contract with Customer, Excluding Assessed Tax 148,054   125,404 282,367  
Ceramics [Member] | Solid Capacitors          
Segment and geographic information          
Sales Revenue, Goods, Net         $ 131,532
Revenue from Contract with Customer, Excluding Assessed Tax $ 87,419   $ 65,863 $ 166,927