Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Deferred benefit on intercompany sales	$ 9,100	$ 15,500	$ 24,300
Deferred tax assets, valuation allowance	430	1,217
Undistributed foreign earnings	470,400
Deferred income tax liability on undistributed foreign earnings	89,400
Unrecognized tax benefits including accrued interest and penalties	77,100	72,300	41,100
Unrecognized tax benefits, income tax penalties and interest accrued	13,700	10,000	7,700
Income tax interest and penalties expense	3,900	$ 2,200	$ 1,800
Unrecognized tax benefits that may be recognized	$ 15,800