Fixed Assets, Net (Tables)

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment [Abstract]

Components of Fixed Assets, Net

Fixed assets, net consisted of the following (in thousands):

	June 30, 2016			December 31, 2015
Computer and communications equipment	$	145,234		$	142,511
Software, including software development costs		143,953			140,416
Leasehold improvements and other fixed assets		154,969			137,736
		444,156			420,663
Less: accumulated depreciation and amortization		(296,138	)		(274,790	)
Fixed assets, net	$	148,018		$	145,873