Leases, Contractual Obligations and Contingencies

12 Months Ended

Dec. 31, 2013

Text Block [Abstract]

Leases, Contractual Obligations and Contingencies

10.  Leases, Contractual Obligations and Contingencies

The Company has entered into non-cancelable long-term leases for certain property and equipment. Future minimum lease payments under operating leases in effect as of December 31, 2013 having initial or remaining non-cancelable lease terms in excess of one year are as follows (in thousands):

Year	Operating Leases
2014	$	46,885
2015		43,095
2016		35,167
2017		26,187
2018		19,517
Thereafter		35,498
Total required lease payments	$	206,349

Operating lease expense was approximately $46.3 million, $48.5 million, and $50.1 million in 2013, 2012 and 2011, respectively.