Share Repurchase Plan (Tables)

6 Months Ended

Jun. 30, 2016

Equity [Abstract]

Schedule of treasury stock by class

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

	Three Months Ended		Six Months Ended
(millions, except for share and per share data) (unaudited)	June 30, 2016		June 30, 2016
Total number of shares repurchased	37,900		37,900
Average price paid per share	$	23.26	$	23.26
Total value of shares repurchased	$	0.9	$	0.9

	Three Months Ended		Six Months Ended
(millions) (unaudited)	June 30, 2016		June 30, 2016
Total authorized repurchase amount	$	30.0	$	30.0
Total value of shares repurchased	0.9		0.9
Total remaining authorized repurchase amount	$	29.1	$	29.1