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Commitments And Contingencies (Tables)
12 Months Ended
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Future Minimum Lease Payments Required under Operating Leases
Future minimum lease payments required under operating leases that have initial or remaining non-cancelable terms in excess of one year as of December 31, 2014 are as follows:
(In Thousands)
 
2015
$
116,564

2016
95,403

2017
75,667

2018
59,093

2019
46,842

Thereafter
125,725

 
$
519,294