Stock-Based Compensation (Tables)

12 Months Ended

Jul. 28, 2012

Summary of Total Compensation Expense and Associated Income Tax Benefit Recognized Related to Stock-Based Compensation Arrangements

A summary of the total compensation expense and associated income tax benefit recognized related to stock-based compensation arrangements is as follows:

	Fiscal Years Ended
	July 28,			July 30,			July 31,
	2012			2011			2010
	(millions)
Compensation expense	$	28.4		$	19.7		$	10.0
Income tax benefit	$	(10.7	)	$	(7.6	)	$	(3.8	)

Weighted-Average Assumptions used to Estimate Fair Value of Stock Options Granted

The Company’s weighted-average assumptions used to estimate the fair value of stock options granted during the fiscal years presented were as follows:

	Fiscal Years Ended
	July 28, 2012			July 30, 2011			July 31, 2010
Expected term (years)		3.9			3.8			3.9
Expected volatility		41.7	%		46.9	%		47.6	%
Risk-free interest rate		0.9	%		1.3	%		2.2	%
Expected dividend yield		0	%		0	%		0	%
Weighted-average grant date fair value	$	4.77		$	5.31		$	4.07

Summary of Stock Option Activity Under All Plans

A summary of the stock option activity under all plans during Fiscal 2012 is as follows:

	July 28, 2012
	Number of Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Terms		Aggregate Intrinsic Value ^(a)
	(thousands)					(years)		(millions)
Options outstanding- July 30, 2011		13,829.6		$	8.46		6.4	$	106.4
Granted		3,091.1			13.29
Exercised		(2,378.5	)		6.94
Cancelled/Forfeited		(439.2	)		11.27
Options outstanding – July 28, 2012		14,103.0		$	9.69		6.4	$	130.1

Options vested and expected to vest at July 28, 2012 ^(b)		13,648.0		$	10.01		6.4	$	126.8
Options exercisable at July 28, 2012		6,466.4		$	7.60		4.6	$	73.1

^(a) The intrinsic value is the amount by which the market price at the end of the period of the underlying share of stock exceeds the exercise price of the stock option.

^(b) The number of options expected to vest takes into consideration estimated expected forfeitures.

Summary of Restricted Equity Awards Activity

A summary of Restricted Equity Awards activity during Fiscal 2012 is as follows:

	Service-based Restricted Equity Awards					Performance-based Restricted Equity Awards					Market-based Restricted Equity Awards
	Number of Shares			Weighted- Average Grant Date Fair Value Per Share		Number of Shares			Weighted- Average Grant Date Fair Value Per Share		Number of Shares			Weighted- Average Grant Date Fair Value Per Share
	(thousands)					(thousands)					(thousands)
Nonvested at July 30, 2011		922.3		$	12.64		1,352.8		$	12.23		437.0		$	12.34
Granted		858.9			15.10		574.6			12.74		54.7			12.33
Vested		(328.8	)		12.65		—			—		—			—
Cancelled/Forfeited		(246.3	)		13.18		(452.4	)		11.38		(165.1	)		11.23
Nonvested at July 28, 2012		1,206.1		$	14.27		1,475.0		$	12.69		326.6		$	12.90

Total Unrecognized Compensation and Weighted-Average Years Expected to be Recognized

	Service-based Restricted Equity Awards		Performance-based Restricted Equity Awards		Market-based Restricted Equity Awards

Total unrecognized compensation at July 28, 2012 (millions)	$	12.6	$	9.1	$	2.0
Weighted-average years expected to be recognized over (years)		3.1		1.4		1.5

Additional Information Pertaining to Restricted Equity Awards Activity

Additional information pertaining to Restricted Equity Awards activity is as follows:

	Fiscal Years Ended
	July 28, 2012		July 30, 2011		July 31, 2010
Service-based Restricted Equity Awards:
Weighted-average grant date fair value of awards granted	$	15.10	$	13.53	$	10.18
Total fair value of awards vested (millions)	$	5.0		1.5		1.9

Performance-based Restricted Equity Awards:
Weighted-average grant date fair value of awards granted	$	12.74	$	13.02	$	8.91
Total fair value of awards vested (millions)		—		—		—

Market-based Restricted Equity Awards:
Weighted-average grant date fair value of awards granted	$	12.33	$	13.77	$	7.62
Total fair value of awards vested (millions)		—		—		—