Fair Value Measurements (Tables)

12 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Fair value of assets and liabilities on a recurring basis

The following tables set forth by level within the fair value hierarchy the Company's financial assets and liabilities that were accounted for at fair value on a recurring basis at March 31, 2015 and March 31, 2014:

	Balance at March 31, 2015		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Unobservable Inputs (Level 3)
ASSETS
Cash and cash equivalents (1)	$	118,993	$	118,993	$	—	$	—
Restricted cash and cash equivalents	2,419		2,419		—		—
Marketable securities (2)	11,592		11,592		—		—
	$	133,004	$	133,004	$	—	$	—
LIABILITIES
Contingent consideration related to acquisitions	$	16,155	—		$	—	$	16,155
	$	16,155	$	—	$	—	$	16,155

	Balance at March 31, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Unobservable Inputs (Level 3)
ASSETS
Cash and cash equivalents (1)	$	103,145	$	103,145	$	—	$	—
Restricted cash and cash equivalents	4,351		4,351		—		—
Marketable securities (2)	10,656		10,656		—		—
	$	118,152	$	118,152	$	—	$	—
LIABILITIES
Contingent consideration related to acquisitions	$	14,913	$	—	$	—	$	14,913
	$	14,913	$	—	$	—	$	14,913

____________________

(1) Cash equivalents consist of money market funds.

(2) Marketable securities consist of money market instruments and fixed-income securities, including certificates of deposit, corporate bonds and notes, and municipal securities.

Company's assets and liabilities measured at fair value using significant unobservable inputs (Level 3)

The following table presents activity in the Company's financial assets and liabilities measured at fair value using significant unobservable inputs (Level 3), as of March 31, 2015:

	Total Liabilities
Balance at March 31, 2013	$	5,336
Acquisitions	13,307
Earnout payments	(3,831		)
Fair value adjustments	101
Balance at March 31, 2014	$	14,913
Earnout payments	(695		)
Fair value adjustments	1,937
Balance at March 31, 2015	$	16,155