Stock Plans (Details) $ / shares in Units, $ in Millions		1 Months Ended
	May. 31, 2015 $ / shares	Jun. 30, 2015 USD ($) shares	Apr. 30, 2015 shares	Mar. 31, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in number of shares authorized (in shares)			1,500,000
Number of shares authorized (in shares)			9,050,076.000	7,550,076.000
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Plan modification, number of shares affected (in shares)		4,500,000
Plan modification, number of employees affected		17
Weighted average exercise price prior to modification | $ / shares	$ 9.23
Average remaining contractual life	8 years 9 months 18 days
Incremental compensation cost | $		$ 0.3