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Earnings per share (Tables)
 3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Schedule of Computation of Basic and Diluted EPS

The computation of basic and diluted EPS were as follows:

 

(In millions, except per share amounts)

 

Three months ended

 

 

 

March 31,

2017

 

 

March 31,

2016

 

Numerator:

 

 

 

 

 

 

 

 

Basic and diluted:

 

 

 

 

 

 

 

 

Net income attributable to controlling interest

 

$

143.9

 

 

$

133.2

 

Participating share awards with dividend equivalent rights

 

-

 

 

-

 

Net income available to common shareholders

 

143.9

 

 

133.2

 

Earnings allocated to participating share awards 1)

 

 

(0.1

)

 

-

 

Net income attributable to common shareholders

 

$

143.8

 

 

$

133.2

 

 

 

 

 

 

 

 

 

 

Denominator: 1)

 

 

 

 

 

 

 

 

Basic: Weighted average common stock

 

 

88.3

 

 

 

88.1

 

Add: Weighted average stock options/share awards

 

 

0.2

 

 

 

0.2

 

Diluted:

 

 

88.5

 

 

 

88.3

 

 

 

 

 

 

 

 

 

 

Basic EPS

 

$

1.63

 

 

$

1.51

 

Diluted EPS

 

$

1.62

 

 

$

1.51