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Selected Quarterly Financial Data (Unaudited)
12 Months Ended
Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]  
Selected Quarterly Financial Data (Unaudited)
Selected Quarterly Financial Data (Unaudited)
The following is a summary of the quarterly results of operations of the Company for the years ended December 31, 2014 and 2015.
 
 
2014
 
 
First
Quarter
 
Second
Quarter
 
Third
Quarter
 
Fourth
Quarter
Revenue
 
$
593.1

 
$
636.3

 
$
640.3

 
$
641.2

Operating income
 
193.9

 
198.4

 
224.2

 
198.7

Income before income taxes
 
208.2

 
239.1

 
253.4

 
312.8

Net income (controlling interest)
 
77.2

 
99.1

 
103.2

 
172.6

Earnings per share (diluted)
 
1.40

 
1.75

 
1.82

 
3.02

 
 
2015
 
 
First
Quarter
 
Second
Quarter
 
Third
Quarter
 
Fourth
Quarter
Revenue
 
$
635.0

 
$
646.6

 
$
613.1

 
$
589.8

Operating income
 
231.4

 
195.2

 
215.2

 
193.2

Income before income taxes
 
290.3

 
262.0

 
249.1

 
289.2

Net income (controlling interest)
 
128.0

 
128.7

 
109.0

 
150.3

Earnings per share (diluted)
 
2.27

 
2.31

 
1.98

 
2.72