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Leases - Schedule of Future Minimum Lease Payments under Capital Leases and Operating Leases for Continuing Operations and Discontinued Operations (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Property Subject to or Available for Operating Lease [Line Items]  
Operating Leases, 2014 $ 100,816
Operating Leases, 2015 93,262
Operating Leases, 2016 79,023
Operating Leases, 2017 67,204
Operating Leases, 2018 58,865
Operating Leases, 2019 and thereafter 85,988
Operating Leases, Total 485,158
Continuing Operations [Member]
  
Property Subject to or Available for Operating Lease [Line Items]  
Operating Leases, 2014 86,297
Operating Leases, 2015 79,602
Operating Leases, 2016 67,870
Operating Leases, 2017 56,878
Operating Leases, 2018 54,978
Operating Leases, 2019 and thereafter 85,206
Operating Leases, Total 430,831
Discontinued Operations [Member]
  
Property Subject to or Available for Operating Lease [Line Items]  
Operating Leases, 2014 14,519
Operating Leases, 2015 13,660
Operating Leases, 2016 11,153
Operating Leases, 2017 10,326
Operating Leases, 2018 3,887
Operating Leases, 2019 and thereafter 782
Operating Leases, Total $ 54,327