Income Taxes Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 25, 2016	Dec. 27, 2015	Dec. 31, 2014		Dec. 31, 2013		Dec. 30, 2012	Dec. 31, 2015	Dec. 29, 2013
Income Tax Examination [Line Items]
Beginning balance	[1]			$ 7,193		$ 9,462
Increases (decreases) due to foreign currency translations								$ 0
Unrecognized Tax Benefits, Decreases Resulting from Foreign Currency Translation			$ 0	(244)
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions				1,238		(2,553)		(197)
Current period				1,798		956		3,655
Settlements with taxing authorities				0		0		(306)
Income Taxes Paid, Net			12,600	9,900
Expiration of applicable statutes of limitation			(2,900)	(2,911)		(428)		0
Ending balance (1)				7,318	[1]	7,193	[1]	$ 6,310
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued			2,100	6,400		5,800
Liability for Uncertain Tax Positions, Noncurrent			7,200	13,621					$ 4,510	$ 15,100
Unrecognized Tax Benefits, Interest on Income Taxes Expense			4,300	500
Unrecognized Tax Benefits, Income Tax Penalties Expense				$ 100
Income Taxes Paid						13,700
Undistributed Earnings of Foreign Subsidiaries			73,100
MEXICO
Income Tax Examination [Line Items]
Settlements with taxing authorities						$ (300)
State and Local Jurisdiction [Member]
Income Tax Examination [Line Items]
Operating Loss Carryforwards			117,600
Operating Loss Carryforwards, Expiration Date		Jan. 01, 2016
Tax Credit Carryforward, Amount			$ 2,500
Internal Revenue Service (IRS) [Member]
Income Tax Examination [Line Items]
Open Tax Year				2012

[1] Excludes $2.1 million, $6.4 million and $5.8 million of potential interest and penalties associated with uncertain tax positions in 2015, 2014 and 2013, respectively.