XML 69 R45.htm IDEA: XBRL DOCUMENT  v2.3.0.11
PENSION PLANS (Details) (USD $)
In Millions
3 Months Ended
Jul. 31, 2011
Aug. 01, 2010
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]    
Service cost $ 9.3 $ 9.2
Interest cost 19.0 18.8
Expected return on plan assets (19.9) (16.0)
Net amortization 5.9 8.5
Pension expense 14.3 20.5
Current Year Employer Contributions [Abstract]    
Voluntary Contribution to Qualified Pension Plans $ 100.0  
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year, Description approximately $140.0 million, including the voluntary contribution made in the first quarter of fiscal 2012