Annual report pursuant to Section 13 and 15(d)

Retirement Benefit Plans (Asset Allocation) (Details)

v2.4.0.6
Retirement Benefit Plans (Asset Allocation) (Details)
12 Months Ended
Jan. 28, 2012
Jan. 29, 2011
Retirement Benefit Plans [Abstract]    
Equity 53.00% 68.00%
Fixed income 38.00% 22.00%
Real estate, cash and other securities 9.00% 10.00%
Total 100.00% 100.00%
Equity, Target Allocation Minimum 45.00%  
Equity, Target Allocation Maximum 60.00%  
Fixed income, Target Allocation Minimum 35.00%  
Fixed income, Target Allocation Maximum 45.00%  
Real estate, cash and other, Target Allocation Minimum 5.00%  
Real estate, cash and other, Target Allocation Maximum 15.00%  
Defined Benefit Plan, Investment Policies and Strategies Narrative Description