Income Taxes Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 27, 2015	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 25, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Examination [Line Items]
Deferred Tax Assets, Net of Valuation Allowance, Current										$ 0	$ 9,897
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent										25,598	17,852
Deferred Tax Liabilities, Net, Noncurrent										(8,094)	(15,122)
Liabilities deductible in the future										7,060		$ 7,046
Liabilities deductible in the future related to hedging and foreign currency losses										8,469		3,378
Deferred compensation										11,833		14,023
Net loss carryforwards and credits										5,891		3,395
Other										4,836		8,603
Other										(683)		1,430
Total before valuation allowances	$ 37,406										37,875
Valuation allowance										(5,891)	(3,911)
Net deferred income tax assets										(31,515)	(33,964)
Differences between the book and tax basis of property, plant and equipment										(14,011)	(21,337)
Deferred income tax liabilities										(14,011)	(21,337)
Net deferred income tax assets										17,504	12,627	12,627
Income before income taxes	13,362	$ 7,615	$ 10,734	$ 3,572	$ 1,721	$ (2,740)	$ 8,662	$ 8,059		$ 35,283	$ 15,702	$ 36,841
Undistributed Earnings of Foreign Subsidiaries	73,100
State and Local Jurisdiction [Member]
Income Tax Examination [Line Items]
Operating Loss Carryforwards	117,600
Operating Loss Carryforwards, Expiration Dates									Jan. 01, 2016
Tax Credit Carryforward, Amount	$ 2,500