Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Components of Property and Equipment

The components of property and equipment are:

	December 31,
	2014			2013
	(in thousands)
Land and land improvements	$	3,107		$	2,490
Facilities in progress and software under development	10,408			6,435
Computer equipment and software	99,306			83,089
Buildings and leasehold improvements	37,013			38,403
Furniture, fixtures and equipment	15,326			16,371
Assets under capital lease	4,827			3,468
	169,987			150,256
Less: Accumulated depreciation and amortization	(92,678		)	(82,404		)
Property and equipment, at cost, net	$	77,309		$	67,852

Schedule of Estimated Useful Lives

A summary of the ranges of estimated useful lives upon which depreciation rates are based follows:

Computer equipment and software	2-5 years
Buildings and leasehold improvements	5-40 years
Furniture, fixtures and equipment	3-15 years
Assets under capital leases	3 - 8 years