Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Deferred benefit on intercompany sales	$ 15,500,000	$ 24,300,000	$ 0
Deferred tax assets, valuation allowance	1,217,000	1,222,000
Undistributed foreign earnings	349,800,000
Deferred income tax liability on undistributed foreign earnings	53,800,000
Unrecognized tax benefits including accrued interest and penalties	72,300,000	41,100,000	30,600,000
Unrecognized tax benefits, income tax penalties and interest accrued	10,000,000	7,700,000	$ 5,900,000
Income tax interest and penalties expense	$ 2,200,000	$ 1,800,000