Note 14 - Supplemental Condensed Consolidating Guarantor Financial Statements (Details) - Condensed Consolidating Balance Sheet (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 30, 2012	Jul. 01, 2012	Jan. 01, 2012
Current assets:
Cash and cash equivalents	$ 61,370	$ 90,533	$ 36,878	$ 50,635
Accounts receivable	131,284	137,313
Inventories	157,730	141,176
Prepaids and deferred income taxes	53,110
Total current assets	403,494	430,651
Property and equipment less accumulated depreciation	184,447	165,725
Investment in subsidiaries	0
Goodwill	74,506	75,672
Other assets	115,721
	778,168	789,367
Current liabilities	148,642	161,826
Senior notes	275,000	275,000
Deferred income taxes	6,957	7,339
Other	45,399	49,500
Total liabilities	475,998	493,665
Common stock	6,618	6,606
Additional paid-in capital	369,838	366,677
Retained earnings (deficit)	(2,093)	(16,746)
Foreign currency translation adjustment	(38,269)	(25,344)
Pension liability	(33,924)	(35,491)
	778,168	789,367
Consolidation, Eliminations [Member]
Current assets:
Cash and cash equivalents	0
Accounts receivable	0
Inventories	0
Prepaids and deferred income taxes	0
Total current assets	0
Property and equipment less accumulated depreciation	0
Investment in subsidiaries	(641,231)
Goodwill	0
Other assets	0
	(641,231)
Current liabilities	0
Senior notes	0
Deferred income taxes	0
Other	0
Total liabilities	0
Common stock	(196,344)
Additional paid-in capital	(261,827)
Retained earnings (deficit)	(183,060)
Foreign currency translation adjustment	0
Pension liability	0
	(641,231)
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	1,905
Accounts receivable	57,719
Inventories	72,391
Prepaids and deferred income taxes	5,679
Total current assets	137,694
Property and equipment less accumulated depreciation	82,218
Investment in subsidiaries	566,538
Goodwill	6,542
Other assets	1,916
	794,908
Current liabilities	50,697
Senior notes	0
Deferred income taxes	0
Other	13
Total liabilities	50,710
Common stock	94,145
Additional paid-in capital	249,302
Retained earnings (deficit)	402,909
Foreign currency translation adjustment	(2,158)
Pension liability	0
	794,908
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	30,966
Accounts receivable	72,891
Inventories	85,339
Prepaids and deferred income taxes	32,824
Total current assets	222,020
Property and equipment less accumulated depreciation	99,161
Investment in subsidiaries	182,666
Goodwill	67,964
Other assets	9,115
	580,926
Current liabilities	71,578
Senior notes	0
Deferred income taxes	10,406
Other	419
Total liabilities	82,403
Common stock	102,199
Additional paid-in capital	12,525
Retained earnings (deficit)	443,478
Foreign currency translation adjustment	(29,615)
Pension liability	(30,064)
	580,926
Parent Company [Member]
Current assets:
Cash and cash equivalents	28,499
Accounts receivable	674
Inventories	0
Prepaids and deferred income taxes	14,607
Total current assets	43,780
Property and equipment less accumulated depreciation	3,068
Investment in subsidiaries	(107,973)
Goodwill	0
Other assets	104,690
	43,565
Current liabilities	26,367
Senior notes	275,000
Deferred income taxes	(3,449)
Other	44,967
Total liabilities	342,885
Common stock	6,618
Additional paid-in capital	369,838
Retained earnings (deficit)	(665,420)
Foreign currency translation adjustment	(6,496)
Pension liability	(3,860)
	$ 43,565