Share-Based Compensation

6 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-Based Compensation

SHARE-BASED COMPENSATION

A summary of our share-based compensation expense during the six months endedMarch 31, 2015 and 2014 is as follows:

	Six Months Ended March 31,
(In thousands, except average service periods)	2015		2014
Share-based compensation recognized	$	8,119	$	7,725
Unrecognized compensation cost, net of estimated forfeitures	26,310		26,509
Remaining weighted-average service period (years)	2.0		2.0

Restricted Stock Units

A summary of our restricted stock activity for the six months endedMarch 31, 2015 is as follows:

	Number of Shares (000s)		Weighted Average Fair Value
Unvested at October 1, 2014	622		$	47.62
Granted	342		37.22
Vested	(199	)	41.99
Forfeited	(12	)	47.13
Unvested at March 31, 2015	753		44.24

Performance Units

During the six months endedMarch 31, 2015, we granted to certain employees share-based awards that are subject to market-based performance conditions ("performance units"). The grant date fair value of these performance units was determined through use of the Monte Carlo simulation method. A summary of performance unit stock activity for the six months endedMarch 31, 2015 is as follows:

	Number of Shares (000s)		Weighted Average Fair Value
Unvested at October 1, 2014	264		$	45.87
Granted	133		37.08
Vested	(98	)	40.28
Forfeited	—		—
Unvested at March 31, 2015	299		43.80

Stock Options

A summary of stock option activity for the six months endedMarch 31, 2015 is as follows:

	Number of Options (000s)		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value  (000s)
Outstanding at October 1, 2014	833		$	33.52
Granted	—		—
Exercised	(60	)	15.30			$	1,113
Forfeited	(2	)	41.60
Expired	(8	)	12.31
Outstanding at March 31, 2015	763		35.15		4.9	1,505
Exercisable at March 31, 2015	704		34.61		4.7	1,505