Property and Equipment (Tables)

12 Months Ended

Mar. 31, 2015

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and equipment, net consisted of the following at March 31, 2014 and 2015:

	2014			2015
Computer software	$	90,887,000		$	101,955,000
Office equipment and computers		64,525,000			64,462,000
Leasehold improvements		5,134,000			8,594,000
		160,546,000			175,011,000
Less: accumulated depreciation and amortization		(109,293,000	)		(118,712,000	)
	$	51,253,000		$	56,299,000