Condensed Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Net revenues	$ 420,059	$ 383,332	$ 831,936	$ 763,899
Cost of goods sold	210,569	198,968	421,926	395,421
Gross profit	209,490	184,364	410,010	368,478
Selling, general and administrative expenses	116,253	105,951	243,203	218,087
Research and development expenses	16,524	13,702	31,531	25,255
Goodwill impairment		332,000		332,128
Restructuring and other impairment charges	12,962	321	22,121	(1,004)
Gain on sales of businesses and assets		(332)		(332)
Income (loss) from continuing operations before interest, loss on extinguishments of debt and taxes	63,751	64,722	113,155	(205,656)
Interest expense	14,425	18,240	28,618	36,451
Interest income	(157)	(506)	(314)	(984)
Income (loss) from continuing operations before taxes	49,483	46,988	84,851	(241,123)
Taxes (benefit) on income (loss) from continuing operations	6,082	(278)	13,749	(4,276)
Income (loss) from continuing operations	43,401	47,266	71,102	(236,847)
Operating income (loss) from discontinued operations	(1,026)	(8,049)	(1,784)	(7,120)
Taxes (benefit) on income (loss) from discontinued operations	(260)	(3,682)	(556)	(3,358)
Income (loss) from discontinued operations	(766)	(4,367)	(1,228)	(3,762)
Net income	42,635	42,899	69,874	(240,609)
Less: Income from continuing operations attributable to noncontrolling interests	194	286	395	513
Net income (loss) attributable to common shareholders	42,441	42,613	69,479	(241,122)
Other comprehensive loss attributable to common shareholders	(5,234)	(62,945)	(30,710)	(28,902)
Comprehensive income (loss) attributable to common shareholders	37,207	(20,332)	38,769	(270,024)
Parent Company
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Selling, general and administrative expenses	14,899	12,929	31,827	28,569
Gain on sales of businesses and assets		(116,194)		(116,194)
Income (loss) from continuing operations before interest, loss on extinguishments of debt and taxes	(14,899)	103,265	(31,827)	87,625
Interest expense	33,655	36,626	67,190	73,101
Interest income	3	(128)	(3)	(253)
Income (loss) from continuing operations before taxes	(48,557)	66,767	(99,014)	14,777
Taxes (benefit) on income (loss) from continuing operations	(17,287)	(17,209)	(35,746)	(35,061)
Equity in net income of consolidated subsidiaries	74,433	(40,616)	134,253	(290,814)
Income (loss) from continuing operations	43,163	43,360	70,985	(240,976)
Operating income (loss) from discontinued operations	(1,026)	(1,037)	(2,152)	(91)
Taxes (benefit) on income (loss) from discontinued operations	(304)	(290)	(646)	55
Income (loss) from discontinued operations	(722)	(747)	(1,506)	(146)
Net income	42,441	42,613	69,479	(241,122)
Net income (loss) attributable to common shareholders	42,441	42,613	69,479	(241,122)
Other comprehensive loss attributable to common shareholders	(5,234)	(62,945)	(30,710)	(28,902)
Comprehensive income (loss) attributable to common shareholders	37,207	(20,332)	38,769	(270,024)
Guarantor Subsidiaries
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Net revenues	248,012	235,051	502,868	473,548
Cost of goods sold	143,732	137,054	296,436	278,961
Gross profit	104,280	97,997	206,432	194,587
Selling, general and administrative expenses	59,336	59,789	126,492	121,377
Research and development expenses	14,082	12,012	27,089	21,919
Goodwill impairment				331,779
Restructuring and other impairment charges	1,511	280	9,278	(1,650)
Income (loss) from continuing operations before interest, loss on extinguishments of debt and taxes	29,351	25,916	43,573	(278,838)
Interest expense	(21,017)	(20,054)	(42,144)	(40,240)
Interest income				(8)
Income (loss) from continuing operations before taxes	50,368	45,970	85,717	(238,590)
Taxes (benefit) on income (loss) from continuing operations	13,729	16,829	27,980	17,193
Equity in net income of consolidated subsidiaries	31,599	47,764	65,749	78,760
Income (loss) from continuing operations	68,238	76,905	123,486	(177,023)
Operating income (loss) from discontinued operations		(9,265)		(9,429)
Taxes (benefit) on income (loss) from discontinued operations		(3,521)		(3,584)
Income (loss) from discontinued operations		(5,744)		(5,845)
Net income	68,238	71,161	123,486	(182,868)
Net income (loss) attributable to common shareholders	68,238	71,161	123,486	(182,868)
Other comprehensive loss attributable to common shareholders	(1,224)	(76,659)	(33,350)	(43,257)
Comprehensive income (loss) attributable to common shareholders	67,014	(5,498)	90,136	(226,125)
Non-Guarantor Subsidiaries
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Net revenues	239,147	204,785	469,952	409,706
Cost of goods sold	136,322	118,186	267,895	233,622
Gross profit	102,825	86,599	202,057	176,084
Selling, general and administrative expenses	42,418	32,580	85,090	67,831
Research and development expenses	2,442	1,690	4,442	3,336
Goodwill impairment				349
Restructuring and other impairment charges	11,451	41	12,843	646
Gain on sales of businesses and assets		(332)		(332)
Income (loss) from continuing operations before interest, loss on extinguishments of debt and taxes	46,514	52,620	99,682	104,254
Interest expense	1,787	1,668	3,572	3,590
Interest income	(160)	(378)	(311)	(723)
Income (loss) from continuing operations before taxes	44,887	51,330	96,421	101,387
Taxes (benefit) on income (loss) from continuing operations	9,515	723	20,739	14,495
Income (loss) from continuing operations	35,372	50,607	75,682	86,892
Operating income (loss) from discontinued operations		2,253	368	2,400
Taxes (benefit) on income (loss) from discontinued operations	44	129	90	171
Income (loss) from discontinued operations	(44)	2,124	278	2,229
Net income	35,328	52,731	75,960	89,121
Less: Income from continuing operations attributable to noncontrolling interests	194	286	395	513
Net income (loss) attributable to common shareholders	35,134	52,445	75,565	88,608
Other comprehensive loss attributable to common shareholders	(3,559)	(62,453)	(27,372)	(34,766)
Comprehensive income (loss) attributable to common shareholders	31,575	(10,008)	48,193	53,842
Eliminations
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Net revenues	(67,100)	(56,504)	(140,884)	(119,355)
Cost of goods sold	(69,485)	(56,272)	(142,405)	(117,162)
Gross profit	2,385	(232)	1,521	(2,193)
Selling, general and administrative expenses	(400)	653	(206)	310
Gain on sales of businesses and assets		116,194		116,194
Income (loss) from continuing operations before interest, loss on extinguishments of debt and taxes	2,785	(117,079)	1,727	(118,697)
Income (loss) from continuing operations before taxes	2,785	(117,079)	1,727	(118,697)
Taxes (benefit) on income (loss) from continuing operations	125	(621)	776	(903)
Equity in net income of consolidated subsidiaries	(106,032)	(7,148)	(200,002)	212,054
Income (loss) from continuing operations	(103,372)	(123,606)	(199,051)	94,260
Net income	(103,372)	(123,606)	(199,051)	94,260
Net income (loss) attributable to common shareholders	(103,372)	(123,606)	(199,051)	94,260
Other comprehensive loss attributable to common shareholders	4,783	139,112	60,722	78,023
Comprehensive income (loss) attributable to common shareholders	$ (98,589)	$ 15,506	$ (138,329)	$ 172,283