Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Income Tax Contingency [Line Items]
Effective income tax rate	33.80%	34.60%	39.20%	46.00%
Exit taxes related to European reorganization			5.10%	12.60%
U.S. federal income tax rate	35.00%	35.00%	35.00%	35.00%
Other noncurrent assets	$ 263,202		$ 263,202		$ 243,479
Accrued interest and penalties related to uncertain tax positions	1,200		1,200
Other Noncurrent Liabilities
Income Tax Contingency [Line Items]
Unrecognized tax benefits	13,100		13,100
Deferred Tax Asset
Income Tax Contingency [Line Items]
Other noncurrent assets	$ 2,400		$ 2,400