Note 13 - Supplemental Condensed Consolidating Guarantor Financial Statements (Details) - Condensed Consolidating Balance Sheet (USD $) In Thousands, unless otherwise specified	Jun. 29, 2014	Dec. 29, 2013	Jun. 30, 2013	Dec. 30, 2012	Jun. 30, 2014 Consolidation, Eliminations [Member]	Jun. 29, 2014 Consolidation, Eliminations [Member]	Dec. 29, 2013 Consolidation, Eliminations [Member]	Jun. 30, 2014 Guarantor Subsidiaries [Member]	Jun. 29, 2014 Guarantor Subsidiaries [Member]	Dec. 29, 2013 Guarantor Subsidiaries [Member]	Jun. 30, 2014 Non-Guarantor Subsidiaries [Member]	Jun. 29, 2014 Non-Guarantor Subsidiaries [Member]	Dec. 29, 2013 Non-Guarantor Subsidiaries [Member]	Jun. 30, 2014 Parent Company [Member]	Jun. 29, 2014 Parent Company [Member]	Dec. 29, 2013 Parent Company [Member]	Jun. 30, 2014 Consolidated Entities [Member]	Jun. 29, 2014 Consolidated Entities [Member]	Dec. 29, 2013 Consolidated Entities [Member]
Current assets:
Cash and cash equivalents	$ 50,012	$ 72,883	$ 61,370	$ 90,533	$ 0	$ 0	$ 0	$ 1,757	$ 1,757	$ 2,495	$ 32,984	$ 32,984	$ 52,714	$ 15,271	$ 15,271	$ 17,674	$ 50,012	$ 50,012	$ 72,883
Accounts receivable	149,927	131,936			0			60,684			88,755			488			149,927
Inventories	172,452	149,643			0			84,292			88,160			0			172,452
Prepaids and deferred income taxes					0			5,818			22,124			6,305			34,247
Total current assets	406,638	388,105			0			152,551			232,023			22,064			406,638
Property and equipment less accumulated depreciation	242,132	230,845			0			87,658			151,694			2,780			242,132
Investment in subsidiaries					(697,880)			565,103			207,885			(75,108)			0
Goodwill	77,683	77,941			0			6,542			71,141			0			77,683
Other assets	66,501	65,282			0			1,870			10,783			84,377			97,030
	823,483	796,335			(697,880)			813,724			673,526			34,113			823,483
Current liabilities	135,514	130,187			0			44,494			75,705			15,315			135,514
Senior notes	247,500	247,500			0			0			0			247,500			247,500
Long term debt	31,513	26,326			0			0			31,513			0			31,513
Deferred income taxes	16,457	15,049			0			0			18,840			(2,383)			16,457
Other	34,534	36,486			0			26			8,566			25,942			34,534
Total liabilities	465,518	455,548			0			44,520			134,624			286,374			465,518
Common stock	6,648	6,631			(196,344)			94,145			102,199			6,648			6,648
Additional paid-in capital	375,682	374,597			(261,827)			249,302			12,525			375,682			375,682
Retained earnings (deficit)	37,333	24,226			(239,709)			427,920			475,116			(625,994)			37,333
Foreign currency translation adjustment	(26,403)	(30,585)			0			(2,163)			(18,183)			(6,057)			(26,403)
Pension liability	(35,295)	(34,082)			0			0			(32,755)			(2,540)			(35,295)
	$ 823,483	$ 796,335			$ (697,880)			$ 813,724			$ 673,526			$ 34,113			$ 823,483