Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 25, 2011	Sep. 30, 2012	Sep. 25, 2011
Net revenues	$ 368,054	$ 362,741	$ 1,131,953	$ 1,089,490
Cost of goods sold	187,487	187,111	582,908	570,462
Gross profit	180,567	175,630	549,045	519,028
Selling, general and administrative expenses	114,878	101,582	332,965	313,130
Research and development expenses	14,760	12,316	40,015	35,802
Goodwill impairment			332,128
Restructuring and other impairment charges	1,088	(173)	84	3,598
Gain on sales of businesses and assets			(332)
Income (loss) from continuing operations before interest, loss on extinguishments of debt and taxes	49,841	61,905	(155,815)	166,498
Interest expense	18,493	19,177	54,944	51,108
Interest income	(340)	(318)	(1,324)	(676)
Loss on extinguishments of debt				15,413
Income (loss) from continuing operations before taxes	31,688	43,046	(209,435)	100,653
Taxes on income (loss) from continuing operations	7,237	10,125	2,961	23,134
Income (loss) from continuing operations	24,451	32,921	(212,396)	77,519
Operating income (loss) from discontinued operations (including gain (loss) on disposal of ($38) and $2,226 for the three and nine month periods in 2012, respectively, and ($4) and $52,265 for the three and nine month periods in 2011, respectively)	(831)	14,588	(7,951)	75,705
Taxes (benefit) on income (loss) from discontinued operations	1,690	3,444	(1,668)	(3,522)
Income (loss) from discontinued operations	(2,521)	11,144	(6,283)	79,227
Net income (loss)	21,930	44,065	(218,679)	156,746
Less: Income from continuing operations attributable to noncontrolling interest	188	289	701	770
Income from discontinued operations attributable to noncontrolling interest		125		443
Net income (loss)	21,742	43,651	(219,380)	155,533
Basic:
Income (loss) from continuing operations	$ 0.59	$ 0.80	$ (5.22)	$ 1.90
Income (loss) from discontinued operations	$ (0.06)	$ 0.27	$ (0.15)	$ 1.95
Net income (loss)	$ 0.53	$ 1.07	$ (5.37)	$ 3.85
Diluted:
Income (loss) from continuing operations	$ 0.58	$ 0.80	$ (5.22)	$ 1.88
Income (loss) from discontinued operations	$ (0.06)	$ 0.27	$ (0.15)	$ 1.94
Net income (loss)	$ 0.52	$ 1.07	$ (5.37)	$ 3.82
Dividends per common share	$ 0.34	$ 0.34	$ 1.02	$ 1.02
Weighted average common shares outstanding:
Basic	40,890	40,684	40,831	40,426
Diluted	41,511	40,943	40,831	40,738
Amounts attributable to common shareholders:
Income (loss) from continuing operations, net of tax	24,263	32,632	(213,097)	76,749
Income (loss) from discontinued operations, net of tax	(2,521)	11,019	(6,283)	78,784
Net income (loss)	$ 21,742	$ 43,651	$ (219,380)	$ 155,533