Accumulated Other Comprehensive Items (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013 Foreign Currency Translation Adjustment [Member]	Dec. 28, 2013 Unrecognized Prior Service Cost [Member]	Dec. 28, 2013 Deferred Loss on Pension and Other Post Retirement Plans [Member]	Dec. 28, 2013 Deferred Loss on Hedging Instruments [Member]	Dec. 28, 2013 Accumulated Other Comprehensive Items [Member]
Accumulated Other Comprehensive Items [Line Items]
Balance at beginning of year	$ 710	$ (3,315)	$ 8,124	$ (748)	$ (9,645)	$ (1,046)	$ (3,315)
Other comprehensive income (loss) before reclassifications			795	0	2,320	(72)	3,043
Reclassifications from AOCI			0	91	406	485	982
Net current period other comprehensive income			795	91	2,726	413	4,025
Balance at end of year	$ 710	$ (3,315)	$ 8,919	$ (657)	$ (6,919)	$ (633)	$ 710