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Net Income Per Share (Tables)
 9 Months Ended
Mar. 31, 2017
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

 

 

Nine Months Ended

 

 

 

March 31,

 

 

March 31,

 

 

 

2017

 

 

2016

 

 

2017

 

 

2016

 

Numerator:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Net income

 

$

4.5

 

 

$

20.5

 

 

$

31.0

 

 

$

79.3

 

Denominator:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Shares, basic

 

 

34.8

 

 

 

36.8

 

 

 

34.9

 

 

 

36.7

 

Effect of dilutive share-based awards

 

 

0.6

 

 

 

1.1

 

 

 

0.8

 

 

 

1.3

 

Shares, diluted

 

 

35.4

 

 

 

37.9

 

 

 

35.7

 

 

 

38.0

 

Net income per share:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

0.13

 

 

$

0.56

 

 

$

0.89

 

 

$

2.16

 

Diluted

 

$

0.13

 

 

$

0.54

 

 

$

0.87

 

 

$

2.09