Detail of Certain Balance Sheet Accounts - Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Inventories of products:
Finished products	$ 273,948	$ 248,143
Work in progress	4,893	5,648
Raw materials	93,816	86,864
Inventories of products, gross	372,657	340,655
Inventory reserves	(9,826)	(12,659)
Total inventories of products, net	362,831	327,996
Other payables and accruals:
Employee related	36,638	33,947
Interest payable	28,179	10,135
Property, plant, and equipment accruals	15,530	26,260
Other	71,509	60,056
Total other payables and accruals	151,856	130,398
Other long-term liabilities:
Pension and other post-retirement benefits	138,597	138,188
Other	29,542	32,151
Total other long-term liabilities	168,139	170,339
Supplemental Balance Sheet Information [Line Items]
Intangible assets	601,361	584,144
Less accumulated amortization	184,614	144,946
Intangible assets, net of accumulated amortization	416,747	439,198
Contractual agreements
Supplemental Balance Sheet Information [Line Items]
Intangible assets	263,882	258,646
Less accumulated amortization	38,778	20,757
Technology
Supplemental Balance Sheet Information [Line Items]
Intangible assets	146,181	145,320
Less accumulated amortization	50,780	44,698
Customer relationships
Supplemental Balance Sheet Information [Line Items]
Intangible assets	60,480	59,977
Less accumulated amortization	32,965	31,863
Tradenames/trademarks
Supplemental Balance Sheet Information [Line Items]
Intangible assets	78,828	77,666
Less accumulated amortization	33,903	25,363
Software
Supplemental Balance Sheet Information [Line Items]
Intangible assets	51,990	42,535
Less accumulated amortization	$ 28,188	$ 22,265