Summary of Restructuring Charges (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
2010 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred	$ 972	$ 19,978	$ 21,344
Cumulative Charges Incurred	42,294
2010 Restructuring Plan | Severance and other employee-related costs
Restructuring Cost and Reserve [Line Items]
Charges Incurred	298	1,950	6,668
Cumulative Charges Incurred	8,916
2010 Restructuring Plan | Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Charges Incurred	88	7,459	4,458
Cumulative Charges Incurred	12,005
2010 Restructuring Plan | Pension-related settlement charges
Restructuring Cost and Reserve [Line Items]
Charges Incurred		2,533	5,449
Cumulative Charges Incurred	7,982
2010 Restructuring Plan | Asset write-downs
Restructuring Cost and Reserve [Line Items]
Charges Incurred	586	8,036	4,769
Cumulative Charges Incurred	13,391
2011 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred	3,117	10,232
Cumulative Charges Incurred	13,349
2011 Restructuring Plan | Severance and other employee-related costs
Restructuring Cost and Reserve [Line Items]
Charges Incurred	389	442
Cumulative Charges Incurred	831
2011 Restructuring Plan | Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Charges Incurred	2,537	6,294
Cumulative Charges Incurred	8,831
2011 Restructuring Plan | Pension-related settlement charges
Restructuring Cost and Reserve [Line Items]
Charges Incurred		86
Cumulative Charges Incurred	86
2011 Restructuring Plan | Asset write-downs
Restructuring Cost and Reserve [Line Items]
Charges Incurred	191	3,410
Cumulative Charges Incurred	3,601
Segment, Continuing Operations | 2010 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred	1,057	10,095	20,055
Cumulative Charges Incurred	31,207
Segment, Continuing Operations | 2011 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred	3,071	6,317
Cumulative Charges Incurred	9,388
Segment, Discontinued Operations | 2010 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred	(85)	9,883	1,289
Cumulative Charges Incurred	11,087
Segment, Discontinued Operations | 2011 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred	46	3,915
Cumulative Charges Incurred	$ 3,961