Annual report pursuant to Section 13 and 15(d)

Future Minimum Lease Payments under Noncancelable Operating and Capital Lease Remaining Terms in excess of One Year (Detail)

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Future Minimum Lease Payments under Noncancelable Operating and Capital Lease Remaining Terms in excess of One Year (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Future Minimum Payments Under Non-Cancelable Operating Leases With Initial Terms Of One-Year Or More [Line Items]    
Future minimum operating lease payments, current $ 225,814  
Future minimum operating lease payments, in two years 227,238  
Future minimum operating lease payments, in three years 222,469  
Future minimum operating lease payments, in four years 212,861  
Future minimum operating lease payments, in five years 193,672  
Future minimum operating lease payments, thereafter 807,121  
Future minimum operating lease payments, total 1,889,175  
Future minimum capital leases payments, current 25,304  
Future minimum capital leases payments, in two years 25,117  
Future minimum capital leases payments, in three years 25,299  
Future minimum capital leases payments, in four years 25,158  
Future minimum capital leases payments, in five years 23,436  
Future minimum capital leases payments, thereafter 110,934  
Future minimum capital leases payments, total 235,248  
Amounts representing interest payments 85,077  
Present value of future minimum payments 150,171  
Current portion of capital lease obligations 11,064 9,639
Capital lease obligations, less current portion $ 139,107 $ 131,533