Acquisitions and Divestitures - Schedule of Purchase Price Allocation (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013	Dec. 28, 2012	Jan. 31, 2012
Business Acquisition [Line Items]
Cash and cash equivalents		$ 12,904
Accounts receivable — net		21,178
Total inventories		16,788
Prepaid expenses and other current assets		3,915
Goodwill	189,942	189,942	0
Other intangible assets		108,300
Other assets		483
Property, plant and equipment		18,010
Accounts payable		(10,386)
Wages and amounts withheld from employees		(4,234)
Liabilities assumed	(57,859)		0
Other current liabilities		(4,704)
Other long-term liabilities		(37,878)
Cost of acquired entity		313,661
Less: cash acquired		(12,904)
Fair value of total consideration transferred	300,757	300,757	0
Taxes, other than income taxes [Member]
Business Acquisition [Line Items]
Liabilities assumed		(600)
Accrued income taxes [Member]
Business Acquisition [Line Items]
Liabilities assumed		(57)
Cash acquired [Member]
Business Acquisition [Line Items]
Cash and cash equivalents		12,904
Less: cash acquired		$ (12,904)