Stock Compensation Plans (Tables)

12 Months Ended

Jan. 31, 2013

Valuation Assumptions of Stock Option Awards

	Years Ended January 31,
	2013			2012			2011
Dividend yield		1.6	%		1.4	%		1.2	%
Expected volatility		42.2	%		40.0	%		37.9	%
Risk-free interest rate		1.0	%		1.5	%		2.8	%
Expected term in years		6			6			7

Summary of Stock Option Activity

A summary of the option activity for the Company’s stock option plans is presented below:

	Number of Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term in Years		Aggregate Intrinsic Value (in thousands)
Outstanding at January 31, 2012		3,045,299		$	41.53		6.42	$	68,742
Granted		365,024			63.53
Exercised		(417,460	)		31.46
Forfeited/cancelled		(20,574	)		35.50
Outstanding at January 31, 2013		2,972,289		$	45.68		6.17	$	60,402
Exercisable at January 31, 2013		2,055,913		$	38.93		4.95	$	55,226

Summary of RSUs Activity

A summary of the activity for the Company’s RSUs is presented below:

	Number of Shares			Weighted-Average Grant-Date Fair  Value
Non-vested at January 31, 2012		956,471		$	43.28
Granted		302,295			66.18
Vested		(320,214	)		37.92
Forfeited		(71,098	)		46.22
Non-vested at January 31, 2013		867,454		$	53.05

Summary of PSUs Activity

A summary of the activity for the Company’s PSUs is presented below:

	Number of Shares			Weighted-Average Grant-Date Fair  Value
Non-vested at January 31, 2012		1,056,615		$	43.05
Granted		234,200			59.85
Vested		(287,894	)		23.21
Forfeited/cancelled		(14,103	)		41.35
Non-vested at January 31, 2013		988,818		$	53.14