Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Loss Carryforwards [Line Items]
Effective income tax rates		30.30%	30.40%	30.10%
Statutory U.S. federal income tax rate		35.00%	35.00%	35.00%
Income tax expense (benefit)	$ 9,215	$ 60,609	$ 55,956	$ 52,285
Unrecognized tax benefits		2,691	3,137	$ 3,395	$ 4,047
Unrecognized tax benefits, impact on effective tax rate		1,600
Settlements and lapsing of statutes of limitations within the next 12 months		2,700
Income tax penalties and interest accrued		700	$ 500
Undistributed earnings of foreign subsidiaries		264,400
Accounting Standards Update 2016-09
Operating Loss Carryforwards [Line Items]
Income tax expense (benefit)		(3,400)
Discontinued operations
Operating Loss Carryforwards [Line Items]
Effective income tax rates				37.10%
Foreign Operations
Operating Loss Carryforwards [Line Items]
Foreign net operating loss carryforwards		6,800
Valuation allowance on foreign net operating loss carryforwards		3,900
Valuation allowance on foreign deferred tax assets		500
Expiring Tax Period Between 2019 and 2024 | Foreign Operations
Operating Loss Carryforwards [Line Items]
Foreign net operating loss carryforwards		$ 2,300