XML 48 R24.htm IDEA: XBRL DOCUMENT v2.4.0.6
Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]  
Operating Leases of Lessee Disclosure
At December 31, 2011, we occupied several facilities under noncancellable operating leases expiring at various dates through 2025. Future minimum rentals under all of our operating leases, including vessel rentals, are as follows:
 
(in thousands)
2012
$
48,662

2013
26,539

2014
13,769

2015
9,930

2016
6,916

Thereafter
31,652

Total Lease Commitments
$
137,468