Acquisition Reserves (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Jul. 23, 2008
Acquisition reserves
Balance at the beginning of the period	$ 23,792	$ 41,967	$ 181,000
Utilization	(11,025)	(7,011)
Adjustments	(5,000)
Foreign Exchange Fluctuations	(66)	615
Balance at the end of the period	7,701	35,571	181,000
Transaction costs
Acquisition reserves
Balance at the beginning of the period		543
Utilization		(119)
Foreign Exchange Fluctuations		0
Balance at the end of the period		424
Employee Severance [Member]
Acquisition reserves
Balance at the beginning of the period	1,691	11,793
Utilization	(227)	(3,293)
Adjustments	0
Foreign Exchange Fluctuations	(20)	272
Balance at the end of the period	1,444	8,772
Facility Closing [Member]
Acquisition reserves
Balance at the beginning of the period	15,761	20,287
Utilization	(10,752)	(3,252)
Adjustments	(5,000)
Foreign Exchange Fluctuations	(2)	27
Balance at the end of the period	7	17,062
Other
Acquisition reserves
Balance at the beginning of the period	6,340	9,344
Utilization	(46)	(347)
Adjustments	0
Foreign Exchange Fluctuations	(44)	316
Balance at the end of the period	$ 6,250	$ 9,313