Fair Value Measurements (Tables)

9 Months Ended

Dec. 31, 2012

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 December 31, 2012 and March 31, 2012:

	Balance at		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Unobservable Inputs (Level 3)
	December 31, 2012
ASSETS
Cash and cash equivalents (1)	$	101,702	$	101,702	$	—	$	—
Restricted cash	5,155		5,155		—		—
Marketable securities (2)	4,987		4,987		—		—
	$	111,844	$	111,844	$	—	$	—
LIABILITIES
Contingent consideration related to acquisitions	$	5,062	$	—	$	—	$	5,062
	$	5,062	$	—	$	—	$	5,062

	Balance at		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Unobservable Inputs (Level 3)
	March 31, 2012
ASSETS
Cash and cash equivalents (1)	$	134,444	$	134,444	$	—	$	—
Restricted cash	1,962		1,962		—		—
Marketable securities (2)	4,987		4,987		—		—
	$	141,393	$	141,393	$	—	$	—
LIABILITIES
Contingent consideration related to acquisitions	$	6,556	$	—	$	—	$	6,556
	$	6,556	$	—	$	—	$	6,556

___________________________________

(1) Cash equivalents consists of money market funds.

(2) Marketable securities consist of fixed-income 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 and for the nine months endedDecember 31, 2012:

	Total Liabilities
Balance as of April 1, 2012	$	6,556
Acquisitions (Note 3)	2,862
Earnout payments (1)	(5,354		)
Fair value adjustments	998
Balance as of December 31, 2012	$	5,062

_______________________

(1) Earnout payments comprised of $2,353 in cash and $3,001 in common stock