Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Other Intangible Assets

Schedule of other intangible assets subject to amortization

	Weighted	As of
	Average	March 31, 2013							December 31, 2012
	Useful life			Accumulated			Carrying				Accumulated			Carrying
	(in Years)	Cost		Amortization			Amount		Cost		Amortization			Amount
	(In thousands)
Customer relationships	8	$	293,932	$	(123,590	)	$	170,342	$	293,932	$	(113,906	)	$	180,026
Contract-based	10	255,366		(184,813		)	70,553		255,366		(178,138		)	77,228
Technology-based	7	126,272		(70,562		)	55,710		126,387		(66,338		)	60,049
Trademark portfolio	20	29,700		(2,723		)	26,977		29,700		(2,351		)	27,349
Favorable leases	4	4,707		(2,157		)	2,550		4,707		(1,863		)	2,844
Total other intangible assets		$	709,977	$	(383,845	)	$	326,132	$	710,092	$	(362,596	)	$	347,496