Income Taxes - Reconciliation of Effective Tax Rate (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
U.S. federal statutory tax rate	(35.00%)	(35.00%)	(35.00%)	(35.00%)
State income taxes, net of federal benefit	(1.00%)	0.50%	(1.10%)	(0.10%)
Non-U.S. income taxed at different rates	(5.50%)	(2.90%)	(0.10%)	(0.40%)
Non-deductible expenses	6.90%	2.90%	0.60%	2.10%
Domestic production activities deduction	(0.00%)	(0.60%)	(0.00%)	(0.40%)
Other	0.30%	1.00%	0.40%	0.90%
Effective income tax rate	(34.30%)	(34.10%)	(35.20%)	(32.90%)