DEBT Schedule of Debt (Details) (USD $) In Millions, unless otherwise specified	Apr. 29, 2012	May 01, 2011
Debt Instrument [Line Items]
Total debt	$ 1,937.3	$ 2,094.7
Current portion	(62.5)	(143.2)
Total long-term debt	1,874.8	1,951.5
Senior Secured Notes, Ten Percent, Due July 2014, Including Discounts [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net	7.0	11.2
Total debt	357.4	412.9
Senior Secured Notes, Ten Percent, Due July 2014, Including Premiums [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net	(4.4)	(6.1)
Total debt	229.4	231.1
Senior Unsecured Notes, Seven Point Seven Five Percent, Due July 2017 [Member]
Debt Instrument [Line Items]
Total debt	500.0	500.0
Senior Unsecured Convertible Notes, Four Percent, Due June 2013 [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net	26.8	47.3
Total debt	373.2	352.7
Senior Unsecured Notes, Seven Point Seven Five Percent, Due May 2013 [Member]
Debt Instrument [Line Items]
Total debt	160.0	160.0
Senior Unsecured Notes, Seven Percent, Due August 2011 [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net	0	(0.2)
Total debt	0	78.0
Senior Secured Term Loan, Floating Rate, Due June 2016 [Member]
Debt Instrument [Line Items]
Total debt	200.0	200.0
Other Debt, Zero to Seven Point Four Seven Percent, Due May 2012 through March 2017 [Member]
Debt Instrument [Line Items]
Total debt	$ 117.3	$ 160.0