Operating Segments and Geographic Information - Reconciliation of Total Reportable Segments' Net Income to Consolidated Income (Loss) from Continuing Operations Before Taxes (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Dec. 31, 2011	Oct. 02, 2011	Jul. 03, 2011	Apr. 03, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income from equity method investment									$ 9,704	$ 13,169	$ 11,940
Operating income	31,603	(13,269)	53,037	37,126	28,545	46,127	53,393	37,141	108,497	165,206	116,639
Interest expense									(52,038)	(48,118)	(49,822)
Interest income									1,033	1,011	1,184
Loss on debt extinguishment	1,900	50,600							(52,450)
Other income (expense)											1,465
Income tax benefit (expense)									38,194	(16,791)	(8,190)
Income from continuing operations	39,478	(55,686)	39,705	19,739	22,773	28,156	31,771	18,608	43,236	101,308	61,276
Income (loss) from discontinued operations, net of tax	2,428	7,125	2,685	4,536	3,754	3,047	2,954	3,282	16,774	13,037	2,336
Gain from disposal of discontinued operations, net of tax	124,697	9,783							134,480		44,847
Net income	166,603	(38,778)	42,390	24,275	26,527	31,203	34,725	21,890	194,490	114,345	108,459
Reportable Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income									177,420	219,304	150,790
Eliminations [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income									(78,627)	(67,267)	(46,091)
Loss on debt extinguishment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Loss on debt extinguishment									$ (52,450)