Shareholders' Equity

6 Months Ended

Jun. 30, 2019

Stockholders' Equity Note [Abstract]

SHAREHOLDERS’ EQUITY

A summary of shares repurchased under our stock repurchase program authorized by our Board of Directors follows:



	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Shares repurchased	0.3		1.6		1.3		2.1
Aggregate purchase price	$	11.2	$	73.4	$	44.7	$	100.0
Average purchase price per share	$	39.54	$	47.30	$	35.51	$	47.58

As of June 30, 2019, $219.0 million remained available for share repurchases under the program.

A summary of shares of common stock issued in connection with the exercise of stock options follows:



	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Shares issued (in actual number of shares)	90,248		42,092		101,475		301,167
Proceeds from the exercise of stock options	$	2.9	$	0.9	$	3.2	$	14.2
Average exercise price per share	$	31.76	$	22.50	$	31.11	$	47.14

The following table presents a summary of shares of common stock issued in connection with the settlement of RSUs, as well as shares surrendered to AutoNation to satisfy tax withholding obligations in connection with the vesting of restricted stock and settlement of RSUs:



	Three Months Ended		Six Months Ended
	June 30,		June 30,
(In actual number of shares)	2019	2018	2019	2018
Shares issued	71,171	9,837	304,301	122,661
Shares surrendered to AutoNation to satisfy tax withholding obligations	6,601	9,730	84,432	55,420