Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 2,552	$ 5,465	$ 5,207	$ 11,850
Effective tax rate (as a percentage)	34.90%	35.10%	34.40%	33.90%
Liability for unrecognized tax benefits	728		728
Decrease in liability for unrecognized tax benefits due to the expiration of the statute of limitations of prior year tax positions of acquired companies			$ 486
Period within which the company does not anticipate total unrecognized tax benefits to change			within the next twelve months