Condensed Consolidated Statement of Shareholders' Equity - 9 months ended Sep. 25, 2016 - USD ($) $ in Thousands	Total	Common Stock Including Additional Paid in Capital [Member]	Accumulated Translation Adjustment [Member]	Retained Earnings [Member]	Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	AOCI Attributable to Noncontrolling Interest [Member]	AOCI Including Portion Attributable to Noncontrolling Interest [Member]	Parent [Member]
Share balance at Dec. 27, 2015	26,730,247	26,098,895
Balance at Dec. 27, 2015	$ 413,912	$ 88,108	$ (88,284)	$ 427,517	$ (9,289)	$ (4,140)
Net income	33,602
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(8,227)				(8,227)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax	(159)
Change in employee benefit plans, net of taxes	159
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(12,877)		(12,877)
Net foreign currency translation adjustment	$ (12,877)
Stock Options Exercised, Shares	85,408	85,408
Proceeds from Stock Options Exercised	$ 1,616	$ 1,616
Stock Options Exercised, Value	1,616
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures		(2,126)
Stock Based Compensation Expense	$ 2,621	$ 2,621
Stock Repurchased and Retired During Period, Shares	(585,970)	(740,257)
Stock Repurchased and Retired During Period, Value	$ (13,527)	$ (2,472)		(11,055)
Dividends, Cash	(13,896)			(13,896)
Balance at Sep. 25, 2016	$ 403,383	$ 89,873	$ (101,161)	$ 436,168	$ (17,516)		$ (3,981)	$ 403,383
Share balance at Sep. 25, 2016	26,727,997	25,441,920