Share Repurchase (Details) - Common Class A [Member] - USD ($)	3 Months Ended
	Jun. 30, 2015	Jun. 04, 2015
Equity, Class of Treasury Stock [Line Items]
Share repurchase program amount		$ 35,000,000.0
Treasury shares acquired in period (in shares)	407,240
Value of treasury stock acquired	$ 6,300,000
Remaining amount of shares to be purchased	$ 28,700,000