Roll Forward of Activity for Company's Restructuring Liabilities (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
Cash payments	(20,900)
2010 Restructuring Plan | Accrued Liabilities
Restructuring Cost and Reserve [Line Items]
Beginning balance	3,800	5,647
Charges Incurred	386	9,409
Cash payments	(1,322)	(10,435)
Non-cash	(125)	(821)
Ending balance	2,739	3,800
2011 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred	3,117	10,232
Cash payments	(9,700)
2011 Restructuring Plan | Accrued Liabilities
Restructuring Cost and Reserve [Line Items]
Beginning balance	4,429
Charges Incurred	2,926	6,736
Cash payments	(5,741)	(2,161)
Non-cash	(12)	(146)
Ending balance	1,602	4,429
Severance and other employee-related costs | 2010 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred	298	1,950	6,668
Severance and other employee-related costs | 2010 Restructuring Plan | Accrued Liabilities
Restructuring Cost and Reserve [Line Items]
Beginning balance	85	2,092
Charges Incurred	298	1,950
Cash payments	(258)	(3,136)
Non-cash	(125)	(821)
Ending balance		85
Severance and other employee-related costs | 2011 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred	389	442
Severance and other employee-related costs | 2011 Restructuring Plan | Accrued Liabilities
Restructuring Cost and Reserve [Line Items]
Beginning balance	194
Charges Incurred	389	442
Cash payments	(165)	(248)
Ending balance	418	194
Contract Termination and Other Costs | 2010 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred	88	7,459	4,458
Contract Termination and Other Costs | 2010 Restructuring Plan | Accrued Liabilities
Restructuring Cost and Reserve [Line Items]
Beginning balance	3,715	3,555
Charges Incurred	88	7,459
Cash payments	(1,064)	(7,299)
Ending balance	2,739	3,715
Contract Termination and Other Costs | 2011 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges Incurred	2,537	6,294
Contract Termination and Other Costs | 2011 Restructuring Plan | Accrued Liabilities
Restructuring Cost and Reserve [Line Items]
Beginning balance	4,235
Charges Incurred	2,537	6,294
Cash payments	(5,576)	(1,913)
Non-cash	(12)	(146)
Ending balance	$ 1,184	$ 4,235