DEBT Debt Extinguishments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended						12 Months Ended
	Jan. 29, 2012	Oct. 30, 2011	Jul. 31, 2011	May 01, 2011	Jan. 30, 2011	Oct. 31, 2010	Apr. 29, 2012	May 01, 2011	May 02, 2010
Extinguishment of Debt [Line Items]
Loss on debt extinguishment	$ 4.6	$ 6.4	$ 1.2	$ 71.1	$ 14.1	$ 7.3	$ 12.2	$ 92.5	$ 11.0
Senior Unsecured Notes, Seven Percent, Due August 2011 [Member]
Extinguishment of Debt [Line Items]
Extinguishment of Debt, Amount							77.8	522.2
Extinguishment of Debt, Reacquisition Price								543.1
Loss on debt extinguishment								21.4
Senior Secured Notes, Ten Percent, Due July 2014, Including Discounts [Member]
Extinguishment of Debt [Line Items]
Extinguishment of Debt, Amount							59.7
Extinguishment of Debt, Reacquisition Price							68.3
Loss on debt extinguishment							11.0
Various Former Debt Agreements [Member]
Extinguishment of Debt [Line Items]
Loss on debt extinguishment									11.0
January 2011 Tender Offer [Member]
Extinguishment of Debt [Line Items]
Extinguishment of Debt, Reacquisition Price								450.0
Loss on debt extinguishment								71.1
January 2011 Tender Offer [Member] | Senior Unsecured Notes, Seven Point Seven Five Percent, Due May 2013 [Member]
Extinguishment of Debt [Line Items]
Extinguishment of Debt, Amount								190.0
January 2011 Tender Offer [Member] | Senior Secured Notes, Ten Percent, Due July 2014, Including Discounts [Member]
Extinguishment of Debt [Line Items]
Extinguishment of Debt, Amount								$ 200.9