v2.4.0.6
Summary of Restricted Equity Awards Activity (Detail) (USD $)
9 Months Ended
Apr. 28, 2012
Service-based Restricted Equity Awards
 
Number of Shares  
Nonvested Number of shares at beginning of period 922,300
Granted 705,900
Vested (248,300)
Cancelled/Forfeited (224,700)
Nonvested Number of shares at end of period 1,155,200
Weighted-Average Grant Date Fair Value Per Share  
Nonvested Weighted-Average Grant Date Fair Value at beginning of period $ 12.64
Granted $ 14.14
Vested $ 11.59
Cancelled/Forfeited $ 13.21
Nonvested Weighted-Average Grant Date Fair Value at end of period $ 13.67
Performance-based Restricted Equity Awards
 
Number of Shares  
Nonvested Number of shares at beginning of period 1,352,800
Granted 574,600
Vested 0
Cancelled/Forfeited (392,500)
Nonvested Number of shares at end of period 1,534,900
Weighted-Average Grant Date Fair Value Per Share  
Nonvested Weighted-Average Grant Date Fair Value at beginning of period $ 12.23
Granted $ 12.74
Vested $ 0.00
Cancelled/Forfeited $ 11.11
Nonvested Weighted-Average Grant Date Fair Value at end of period $ 12.71
Market-based Restricted Equity Awards
 
Number of Shares  
Nonvested Number of shares at beginning of period 437,000
Granted 54,800
Vested 0
Cancelled/Forfeited (154,300)
Nonvested Number of shares at end of period 337,500
Weighted-Average Grant Date Fair Value Per Share  
Nonvested Weighted-Average Grant Date Fair Value at beginning of period $ 12.34
Granted $ 12.33
Vested $ 0.00
Cancelled/Forfeited $ 10.90
Nonvested Weighted-Average Grant Date Fair Value at end of period $ 13.00