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Share-based payments (Tables)
3 Months Ended
Dec. 31, 2015
Share-based Payments  
Schedule of stock option activity

 

 

 

2015

 

2014

 

 

 

Shares of stock
under options

 

Weighted average
exercise price

 

Shares of stock
under options

 

Weighted average
exercise price

 

 

 

(in millions)

 

 

 

(in millions)

 

 

 

Outstanding at September 30

 

1.3

 

$

28.26

 

1.6

 

$

27.69

 

Options granted

 

 

 

 

 

Options exercised

 

(0.2

)

23.94

 

(0.1

)

26.24

 

Options forfeited or expired

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding at December 31

 

1.1

 

28.92

 

1.5

 

27.75

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and expected to vest in the future as of December 31

 

1.1

 

$

28.92

 

1.5

 

$

27.75