Subsequent Events (Details) - Subsequent Event - USD ($) $ / shares in Units, shares in Millions, $ in Millions		1 Months Ended
	Jul. 16, 2015	Aug. 31, 2015
Subsequent Event [Line Items]
Stock repurchased during period (in shares)		0.3
Stock repurchased during period, total cost		$ 7.6
Average cost of shares repurchased (in USD per share)		$ 25.86
Average price of shares repurchased (in USD per share)		$ 25.83
Tactical Safety Responses Limited (TSR)
Subsequent Event [Line Items]
Cash payments to acquire business	$ 4.0