Commitments and Loss Contingency (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Rental Expense under Operating Leases

Rental expense under operating leases was as follows (in thousands):

	Years Ended December 31,
	2015		2014		2013
Rental expense	$	47,208	$	44,916	$	47,365

Schedule of Future Minimum Rental Payments for Operating Leases

The following is a schedule of future minimum rental payments required under operating leases that have noncancelable lease terms as of December 31, 2015 (in thousands):

	Amount
2016	$	38,318
2017		33,923
2018		27,641
2019		22,480
2020		16,423
2021 and thereafter		30,973
Total minimum payments required	$	169,758

Schedule of Future Minimum Purchases Remaining under Agreements

The following is a schedule of future minimum purchases remaining under the agreements as of December 31, 2015 (in thousands):

	Amount
2016	$	41,806
2017		15,975
2018		1,718
2019		1,477
2020		857
2021 and thereafter		470
Total minimum payments required	$	62,303