Commitments (Tables)

12 Months Ended

Dec. 31, 2016

Commitments And Contingencies Disclosure [Abstract]

Rent Expense

Total rent expense recognized, which consists of the base rental amount and other lessor charges when mandated in a lease agreement, was as follows:

	Year Ended December 31,
(In thousands)	2016		2015		2014
Rent expense	$	24,745	$	18,164	$	16,259

Future Commitments under Capital and Operating Leases

      Our future commitments under capital and operating leases are shown below. The capital lease amounts related to prepaid maintenance, as well as the related prepaid maintenance costs, are not included in our financials as they are considered executory costs. Future operating lease commitments are calculated using the base rental amount and foreign currency exchange rates in effect as of December 31, 2016.

	Capital			Operating
(In thousands)	Leases			Leases
2017	$	11,608		$	23,085
2018		8,506			20,851
2019		3,820			18,218
2020		40			15,244
2021		3			13,079
Thereafter		0			42,262
		23,977		$	132,739
Less amount representing interest		(1,666	)
Less amount related to executory costs		(3,308	)
		19,003
Current maturities of capital lease obligations		9,126
Capital lease obligations, net of current maturities	$	9,877

Summary of Expense Incurred under Atos Agreement

Expenses incurred under this agreement are included in cost of revenue in our consolidated statements of operations and were as follows:

	Year Ended December 31,
(In thousands)	2016		2015		2014
Expenses incurred under Atos agreement	$	62,266	$	67,058	$	68,165