Equity

12 Months Ended

Dec. 31, 2015

Equity

Equity

14. Equity

A summary of shares repurchased under our securities repurchase program, and shares acquired, is as follows:

	Year Ended December 31,
	2015		2014		2013
Shares repurchased (1)		854,313		175,000		410,000
Aggregate purchase price	$	40.9	$	8.0	$	12.7
Average purchase price per share	$	47.86	$	45.95	$	30.93
Shares acquired (2)		156,383		160,350		97,818
Aggregate purchase price	$	8.0	$	7.5	$	3.1
Average purchase price per share	$	51.05	$	46.48	$	32.13

(1) Shares were repurchased under our securities repurchase program. As of December 31, 2015, we have $200.0 million in repurchase authorization under the repurchase program.

(2) Shares were acquired from employees in connection with a net share settlement feature of employee equity awards.