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Share-Based Compensation (Tables)
 3 Months Ended
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Option Activity
A summary of stock option activity during the three months ended December 31, 2013 is as follows:
 
 
Number of Options (000s)
 
Wtd. Avg. Exercise Price
 
Wtd. Avg. Remaining Contractual Life (Years)
 
Aggregate Intrinsic Value (000s)
Outstanding at October 1, 2013
989

 
$
33.21

 
5.9
 
$
21,592

Granted
—

 
$
—

 
 
 
 
Exercised
(24)

 
$
34.63

 
 
 
$
476

Forfeited
(17)

 
$
40.26

 
 
 
 
Outstanding at December 31, 2013
948

 
$
33.04

 
5.6
 
$
19,178

Exercisable at December 31, 2013
761

 
$
31.29

 
5.1
 
$
15,355
Schedule of Restricted Stock Activity
A summary of restricted stock activity for the three months ended December 31, 2013 is as follows:
 
 
Number of Shares (000s)
 
Wtd. Avg. Fair Value
Unvested at October 1, 2013
849
 
$
42.42

Granted
297
 
$
54.62

Vested
(132)
 
$
37.29

Forfeited
(34)
 
$
41.17

Unvested at December 31, 2013
980
 
$
46.85