Accounts Payable, Accrued, and Other Liabilities (Detail) - Other Liabilities (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Payables and Accruals [Abstract]
Non-current deferred revenue	$ 7,056us-gaap_DeferredRevenueNoncurrent	$ 8,959us-gaap_DeferredRevenueNoncurrent
Interest rate swap liability	2,900us-gaap_DerivativeLiabilitiesNoncurrent	6,505us-gaap_DerivativeLiabilitiesNoncurrent
Long-term taxes payable	8,506it_TaxesPayableNoncurrent	9,590it_TaxesPayableNoncurrent
Deferred rent	16,667us-gaap_DeferredRentCreditNoncurrent	18,127us-gaap_DeferredRentCreditNoncurrent
Benefit plan-related liabilities	64,994	58,000
Other	42,839it_OtherLiabilitiesNoncurrentOther	24,912it_OtherLiabilitiesNoncurrentOther
Total other liabilities	$ 142,962us-gaap_OtherLiabilitiesNoncurrent	$ 126,093us-gaap_OtherLiabilitiesNoncurrent

Other liabilities noncurrent other

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- Definition

Carrying value as of the balance sheet of long-term obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. For classified balance sheets, used to reflect the current portion of the liabilities (due in greater than one year or one operating cycle).

+ References

No definition available.

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- Definition

For a classified balance sheet, the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, more than one year after the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 25

-Paragraph 2

-Subparagraph (a)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.26(c))

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- Definition

The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 13.A.4(a).Q1)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

-Section A

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- Definition

This represents the noncurrent liability recognized in the balance sheet that is associated with the defined benefit pension plans.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

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-Paragraph 10

-Subparagraph (a)

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- Definition

Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

+ References

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