Share Repurchase Plan (Tables)

9 Months Ended

Sep. 30, 2016

Equity [Abstract]

Schedule of treasury stock by class

The table below summarizes share repurchase activity during the three and nine months ended September 30, 2016.

	Three Months Ended		Nine Months Ended
(millions, except for share and per share data) (unaudited)	September 30, 2016		September 30, 2016
Total number of shares repurchased	181,619		219,519
Average price paid per share	$	24.62	$	24.38
Total value of shares repurchased	$	4.5	$	5.4

	Three Months Ended		Nine Months Ended
(millions) (unaudited)	September 30, 2016		September 30, 2016
Total authorized repurchase amount	$	29.1	$	30.0
Total value of shares repurchased	4.5		5.4
Total remaining authorized repurchase amount	$	24.6	$	24.6