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Net Income Per Share (Tables)
 3 Months Ended
Sep. 30, 2015
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Net Income Per Share

The computation of basic and diluted net income per share was as follows (in millions, except per share data):

 

 

 

Three Months Ended

 

 

 

September 30,

 

 

 

2015

 

 

2014

 

Numerator:

 

 

 

 

 

 

 

 

Net income

 

$

23.8

 

 

$

26.6

 

Denominator:

 

 

 

 

 

 

 

 

Shares, basic

 

 

36.8

 

 

 

37.0

 

Effect of dilutive share-based awards

 

 

1.4

 

 

 

2.2

 

Shares, diluted

 

 

38.2

 

 

 

39.2

 

Net income per share:

 

 

 

 

 

 

 

 

Basic

 

$

0.65

 

 

$

0.72

 

Diluted

 

$

0.62

 

 

$

0.68