Acquisition Reserves (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 28, 2012	Apr. 30, 2011	Jul. 23, 2008
Acquisition reserves
Original Acquisition Reserve Established	$ 23,215	$ 39,706	$ 181,000
Balance at the beginning of the period	23,792	41,967	181,000
Utilization	(620)	(3,415)
Foreign Exchange Fluctuations	43	1,154
Balance at the end of the period	23,215	39,706	181,000
Transaction costs
Acquisition reserves
Original Acquisition Reserve Established		424
Balance at the beginning of the period		543
Utilization		(119)
Foreign Exchange Fluctuations		0
Balance at the end of the period		424
Severance
Acquisition reserves
Original Acquisition Reserve Established	1,649	10,345
Balance at the beginning of the period	1,691	11,793
Utilization	(54)	(2,055)
Foreign Exchange Fluctuations	12	607
Balance at the end of the period	1,649	10,345
Facility closures
Acquisition reserves
Original Acquisition Reserve Established	15,229	19,424
Balance at the beginning of the period	15,761	20,287
Utilization	(534)	(928)
Foreign Exchange Fluctuations	2	65
Balance at the end of the period	15,229	19,424
Other
Acquisition reserves
Original Acquisition Reserve Established	6,337	9,513
Balance at the beginning of the period	6,340	9,344
Utilization	(32)	(313)
Foreign Exchange Fluctuations	29	482
Balance at the end of the period	$ 6,337	$ 9,513