Income Taxes Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2016	Dec. 27, 2015	Dec. 31, 2014	Dec. 28, 2014	Dec. 31, 2016	Dec. 31, 2015
Income Tax Examination [Line Items]
Operating Loss Carryforwards					$ 49,100
Beginning balance	$ 7,318	$ 7,193	$ 9,462
Unrecognized Tax Benefits, Decreases Resulting from Foreign Currency Translation	0	0		$ (244)
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	(3,872)	(1,238)		(2,553)
Current period	0	1,798		956
Settlements with taxing authorities	0	0		0
Income Taxes Paid, Net	21,900	12,600		9,900
Expiration of applicable statutes of limitation	0	(2,911)		(428)
Ending balance (1)	3,446	7,318	7,193	$ 7,193
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	1,800	$ 2,100	$ 6,400
Liability for Uncertain Tax Positions, Noncurrent					5,301	$ 4,510
Unrecognized Tax Benefits, Interest on Income Taxes Expense	$ 300
Unrecognized Tax Benefits that Would Impact Effective Tax Rate					1,700
Decrease in Unrecognized Tax Benefits is Reasonably Possible					100
Tax Credit Carryforward, Amount					300
Undistributed Earnings of Foreign Subsidiaries					$ 168,900
Internal Revenue Service (IRS) [Member]
Income Tax Examination [Line Items]
Open Tax Year			2013
Latest Tax Year [Member]
Income Tax Examination [Line Items]
Liability for Uncertain Tax Positions, Noncurrent						$ 7,200
Minimum [Member] | State and Local Jurisdiction [Member]
Income Tax Examination [Line Items]
Operating Loss Carryforwards, Expiration Date	Jan. 01, 2017