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The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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- Definition

Term of the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

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Leases - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Leases Disclosure [Line Items]
Rent expense under all operating leases	$ 460,093us-gaap_OperatingLeasesRentExpenseNet	$ 424,096us-gaap_OperatingLeasesRentExpenseNet	$ 345,066us-gaap_OperatingLeasesRentExpenseNet
Net book value of property and equipment under capital leases	$ 197,344	$ 145,615
Minimum
Leases Disclosure [Line Items]
Facilities leased under non-cancellable operating leases term range, minimum	5 years
Facilities leased under non-cancellable operating leases renewal option range, minimum	5 years
Maximum
Leases Disclosure [Line Items]
Facilities leased under non-cancellable operating leases term range, minimum	15 years
Facilities leased under non-cancellable operating leases renewal option range, minimum	10 years