Charges for Restructuring - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Oct. 06, 2012	Oct. 06, 2012 Employees	Oct. 08, 2011
2010 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 200	$ 852	$ 17,421
Cumulative restructuring costs		42,173
Restructuring cost cash payments		20,800
Number of employees impacted		3,580
Additional restructuring charges		400
2010 Restructuring Plan [Member] | Asset write-downs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		586	2,733
Cumulative restructuring costs		8,097
Non-cash restructuring charge		13,400
2010 Restructuring Plan [Member] | Pension-related settlement charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			863
Cumulative restructuring costs		7,982
Non-cash restructuring charge		8,000
2011 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	600	2,180	4,452
Cumulative restructuring costs		12,412
Restructuring cost cash payments		8,700
Number of employees impacted		475
Additional restructuring charges		1,400
Number of employees impacted		60
2011 Restructuring Plan [Member] | Asset write-downs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		191	3,263
Cumulative restructuring costs		3,601
Non-cash restructuring charge		3,600
2011 Restructuring Plan [Member] | Pension-related settlement charges [Member]
Restructuring Cost and Reserve [Line Items]
Cumulative restructuring costs		86
Non-cash restructuring charge		$ 100