Selected Quarterly Financial Data - Summary of Quarterly Financial Data (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 31, 2013	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Dec. 31, 2012	Sep. 28, 2012	Jun. 29, 2012	Mar. 30, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Quarterly Financial Data [Abstract]
Net revenues	$ 120,222	$ 122,918	$ 117,128	$ 101,672	$ 117,981	$ 120,391	$ 122,060	$ 116,439
Gross profit	59,596	56,792	57,892	46,165	60,111	54,878	55,081	50,462	220,445	220,532	236,816
Income (loss) from continuing operations	(2,179)	36,675	(3,404)	(9,503)	890	(4,469)	(3,875)	(8,735)	21,589	(16,189)	2,018
Income (loss) from discontinued operations	(181)	91	(396)	15,924	3,914	(3,761)	3,892	1,207	15,438	5,252	6,761
Net income (loss)	$ (2,360)	$ 36,766	$ (3,800)	$ 6,421	$ 4,804	$ (8,230)	$ 17	$ (7,528)	$ 37,027	$ (10,937)	$ 8,779
Basic net income (loss) per share from:
Continuing operations, basic (usd per share)	$ (0.02)	$ 0.36	$ (0.03)	$ (0.08)	$ 0.01	$ (0.04)	$ (0.03)	$ (0.07)	$ 0.20	$ (0.14)	$ 0.02
Discontinued operations, basic (usd per share)	$ 0.00	$ 0.00	$ 0.00	$ 0.14	$ 0.03	$ (0.03)	$ 0.03	$ 0.01	$ 0.14	$ 0.05	$ 0.06
Net income (loss), basic (usd per share)	$ (0.02)	$ 0.36	$ (0.03)	$ 0.06	$ 0.04	$ (0.07)	$ 0.00	$ (0.06)	$ 0.35	$ (0.09)	$ 0.08
Diluted net income (loss) per share from:
Continuing operations, diluted (usd per share)	$ (0.02)	$ 0.36	$ (0.03)	$ (0.08)	$ 0.01	$ (0.04)	$ (0.03)	$ (0.07)	$ 0.20	$ (0.14)	$ 0.02
Discontinued operations, diluted (usd per share)	$ 0.00	$ 0.00	$ 0.00	$ 0.14	$ 0.03	$ (0.03)	$ 0.03	$ 0.01	$ 0.14	$ 0.05	$ 0.06
Net income (loss), diluted (usd per share)	$ (0.02)	$ 0.36	$ (0.03)	$ 0.06	$ 0.04	$ (0.07)	$ 0.00	$ (0.06)	$ 0.34	$ (0.09)	$ 0.08
Weighted average shares outstanding - basic	100,372	101,144	109,938	115,219	115,097	116,517	117,056	117,275	106,529	116,457	115,175
Weighted average shares outstanding - diluted	100,372	102,723	109,938	115,219	115,732	116,517	117,056	117,275	107,808	116,457	116,427

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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