Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Mar. 31, 2013
Liabilities, Fair Value Disclosure [Abstract]
Contingent consideration - current	$ 180	$ 0
Contingent consideration - non-current	1,570	0
Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member]
Assets, Fair Value Disclosure [Abstract]
Commercial Paper	19,990
Cash Surrender Value Fair Value Disclosure Recognized Amount Current	1,469
Cash Surrender Value, Fair Value Disclosure	2,285	3,673
Liabilities, Fair Value Disclosure [Abstract]
Contingent consideration - current	180
Contingent consideration - non-current	1,570
Active markets for identical assets or liabilities (Level 1) [Member] | Fair Value, Measurements, Recurring [Member]
Assets, Fair Value Disclosure [Abstract]
Commercial Paper	0
Cash Surrender Value Fair Value Disclosure Recognized Amount Current	0
Cash Surrender Value, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure [Abstract]
Contingent consideration - current	0
Contingent consideration - non-current	0
Quoted prices in similar instruments and observable inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member]
Assets, Fair Value Disclosure [Abstract]
Commercial Paper	19,990
Cash Surrender Value Fair Value Disclosure Recognized Amount Current	0
Cash Surrender Value, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure [Abstract]
Contingent consideration - current	0
Contingent consideration - non-current	0
Active markets for unobservable inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member]
Assets, Fair Value Disclosure [Abstract]
Commercial Paper	0
Cash Surrender Value Fair Value Disclosure Recognized Amount Current	1,469
Cash Surrender Value, Fair Value Disclosure	2,285	3,673
Liabilities, Fair Value Disclosure [Abstract]
Contingent consideration - current	180
Contingent consideration - non-current	$ 1,570