Software and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying Amount and Accumulated Amortization of Other Intangible Assets

The carrying amount and accumulated amortization of the Company’s other intangible assets that were subject to amortization at each balance sheet date are as follows (in thousands):

	December 31, 2016							December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Balance		Gross Carrying Amount		Accumulated Amortization			Net Balance
Customer relationships	$	295,730	$	(96,356	)	$	199,374	$	336,075	$	(86,585	)	$	249,490
Trademarks and tradenames		16,019		(11,759	)		4,260		18,040		(10,605	)		7,435
Purchased Contracts		10,429		(10,429	)		—		10,690		(10,690	)		—
	$	322,178	$	(118,544	)	$	203,634	$	364,805	$	(107,880	)	$	256,925

Estimated Amortization Expense for Future Fiscal Years Based on Capitalized Software and Other Intangible Assets

Based on capitalized intangible assets at December 31, 2016, and assuming no impairment of these intangible assets, estimated amortization expense amounts in future fiscal years are as follows (in thousands):

Fiscal Year Ending December 31,	Software Amortization		Other Intangible Assets Amortization
2017	$	55,229	$	19,040
2018		41,254		18,537
2019		32,871		18,006
2020		25,733		17,139
2021		17,848		16,677
Thereafter		12,561		114,235
Total	$	185,496	$	203,634