Note 16 - Supplemental Condensed Consolidating Guarantor Financial Statements (Details) - Condensed Consolidating Statement of Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Condensed Income Statements, Captions [Line Items]
Net sales	$ 254,448	$ 242,863	$ 708,300	$ 682,425
Cost of sales	162,695	160,002	459,062	450,344
Gross profit on sales	91,753	82,861	249,238	232,081
Selling, general and administrative expenses	63,918	58,014	185,606	168,134
Operating income (loss)	27,835	23,097	63,632	45,881
Interest/other expense	6,417		18,887
Income	21,418	16,631	44,745	25,925
Income tax expense	6,461	5,564	11,826	10,418
Equity in income (loss) of subsidiaries	0		0
Income (loss) from continuing operations	14,957	11,067	32,919	15,507
Income (loss) from discontinued operations (net of tax)	0	(16,840)	0	(16,956)
Net income (loss)	14,957	(5,773)	32,919	(1,449)
Consolidation, Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	(42,327)		(113,258)
Cost of sales	(42,327)		(113,258)
Gross profit on sales	0		0
Selling, general and administrative expenses	0		0
Operating income (loss)	0		0
Interest/other expense	0		0
Income	0		0
Income tax expense	0		0
Equity in income (loss) of subsidiaries	(17,995)		(44,184)
Income (loss) from continuing operations	(17,995)		(44,184)
Income (loss) from discontinued operations (net of tax)	0
Net income (loss)	(17,995)		(44,184)
Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	174,237		470,391
Cost of sales	125,400		339,192
Gross profit on sales	48,837		131,199
Selling, general and administrative expenses	26,646		77,095
Operating income (loss)	22,191		54,104
Interest/other expense	7,456		21,310
Income	14,735		32,794
Income tax expense	4,445		8,452
Equity in income (loss) of subsidiaries	0		0
Income (loss) from continuing operations	10,290		24,342
Income (loss) from discontinued operations (net of tax)	0
Net income (loss)	10,290		24,342
Non-Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	122,538		351,167
Cost of sales	79,622		233,128
Gross profit on sales	42,916		118,039
Selling, general and administrative expenses	29,227		84,461
Operating income (loss)	13,689		33,578
Interest/other expense	2,655		7,585
Income	11,034		25,993
Income tax expense	3,329		6,151
Equity in income (loss) of subsidiaries	0		0
Income (loss) from continuing operations	7,705		19,842
Income (loss) from discontinued operations (net of tax)	0
Net income (loss)	7,705		19,842
Parent Company [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	0		0
Cost of sales	0		0
Gross profit on sales	0		0
Selling, general and administrative expenses	8,045		24,050
Operating income (loss)	(8,045)		(24,050)
Interest/other expense	(3,694)		(10,008)
Income	(4,351)		(14,042)
Income tax expense	(1,313)		(2,777)
Equity in income (loss) of subsidiaries	17,995		44,184
Income (loss) from continuing operations	14,957		32,919
Income (loss) from discontinued operations (net of tax)	0
Net income (loss)	$ 14,957		$ 32,919