Sale and Leaseback Transactions - Additional Information (Detail) (USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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Sale and Leaseback Transactions [Abstract] | ||
Deferred gain on sale of property | $ 45,000,000 | $ 48,000,000 |
Deferred gains | $ 41,339,000 | $ 44,674,000 |