Quarterly report pursuant to Section 13 or 15(d)

Basis of Financial Statement Presentation - Inventory (Details)

v3.19.2
Basis of Financial Statement Presentation - Inventory (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Mar. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials and supplies $ 104,160 $ 97,119
Work in process 83,856 71,374
Finished goods 86,766 88,175
Subtotal 274,782 256,668
Inventory reserves (18,642) (15,539)
Inventories, net $ 256,140 $ 241,129