Quarterly report pursuant to Section 13 or 15(d)

Basis of Financial Statement Presentation - ASC 606 Adjustment Statement of Operations (Details)

v3.19.2
Basis of Financial Statement Presentation - ASC 606 Adjustment Statement of Operations (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]    
Net sales [1] $ 345,242 $ 327,616
Operating costs and expenses:    
Cost of sales [1] 223,614 232,795
Research and development 12,175 10,688
Operating Income (Loss) [1] 58,400 35,176
Income tax expense [1] 16,800 4,600
Net income (loss) [1],[2] $ 40,340 $ 35,220
Net income (loss) per basic share (in usd per share) $ 0.69 $ 0.61
Earnings Per Share, Diluted $ 0.68 $ 0.60
[1]

[2]