Accumulated Other Comprehensive Income (Loss) into Income Expense (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 29, 2013		Sep. 30, 2012		Sep. 29, 2013		Sep. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of goods sold	$ (209,804)		$ (187,487)		$ (631,730)		$ (582,908)
Income (loss) from continuing operations before taxes	50,988		31,688		135,839		(209,435)
Tax expense (benefit)	(5,209)		(7,237)		(18,958)		(2,961)
Net of tax	45,779		24,451		116,881		(212,396)
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total reclassifications, net of tax	1,781		3,428		3,815		9,802
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income (loss) from continuing operations before taxes	850		3,676		154		10,303
Tax expense (benefit)	(158)		(1,364)		164		(3,842)
Net of tax	692		2,312		318		6,461
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Interest Rate Contracts
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest expense			3,663				11,057
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Commodity Contracts
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of goods sold	850		13		154		(754)
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Actuarial losses/(gains)	1,696	[1]	1,707	[1]	5,460	[1]	5,125	[1]
Prior-service costs	(4)	[1]	(5)	[1]	(15)	[1]	(17)	[1]
Transition obligation	1	[1]	25	[1]	4	[1]	74	[1]
Curtailment charge							111	[1]
Settlement charge							(124)	[1]
Income (loss) from continuing operations before taxes	1,693		1,727		5,449		5,169
Tax expense (benefit)	(604)		(611)		(1,952)		(1,828)
Net of tax	$ 1,089		$ 1,116		$ 3,497		$ 3,341

[1] These accumulated other comprehensive income components are included in the computation of net benefit cost of pension and other postretirement benefit plans (see Note 13, "Pension and other postretirement benefits" for additional information).