Leases - Schedule of Future Minimum Lease Payments under Capital Leases and Operating Leases for Continuing and Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Property Subject to or Available for Operating Lease [Line Items]
Operating Leases, 2015	$ 87,940
Operating Leases, 2016	77,366
Operating Leases, 2017	66,157
Operating Leases, 2018	57,815
Operating Leases, 2019	40,966
Operating Leases, 2020 and thereafter	46,926
Operating Leases, Total	377,170
Operating Subleases, 2015	8,578
Operating Subleases, 2016	7,197
Operating Subleases, 2017	7,002
Operating Subleases, 2018	2,611
Operating Subleases, 2019	1,821
Operating Subleases, 2020 and thereafter	1,067
Operating Subleases, Total	28,276
Continuing Operation [Member]
Property Subject to or Available for Operating Lease [Line Items]
Operating Leases, 2015	47,467
Operating Leases, 2016	41,093
Operating Leases, 2017	36,754
Operating Leases, 2018	35,738
Operating Leases, 2019	27,850
Operating Leases, 2020 and thereafter	35,917
Operating Leases, Total	224,819
Operating Subleases, 2015	2,376
Operating Subleases, 2016	981
Operating Subleases, 2017	796
Operating Subleases, 2018	656
Operating Subleases, 2019	674
Operating Subleases, 2020 and thereafter	691
Operating Subleases, Total	6,174
Discontinued Operations [Member]
Property Subject to or Available for Operating Lease [Line Items]
Operating Leases, 2015	40,473
Operating Leases, 2016	36,273
Operating Leases, 2017	29,403
Operating Leases, 2018	22,077
Operating Leases, 2019	13,116
Operating Leases, 2020 and thereafter	11,009
Operating Leases, Total	152,351
Operating Subleases, 2015	6,202
Operating Subleases, 2016	6,216
Operating Subleases, 2017	6,206
Operating Subleases, 2018	1,955
Operating Subleases, 2019	1,147
Operating Subleases, 2020 and thereafter	376
Operating Subleases, Total	$ 22,102

Amount of minimum sublease rentals to be received by the seller-lessee for all operating leases.

No definition available.

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- Definition

Amount of minimum sublease rentals to be received by the seller-lessee after the fifth fiscal year.

+ References

No definition available.

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Amount of minimum sublease rentals to be received by the seller-lessee in the next five fiscal years.

+ References

No definition available.

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- Definition

Amount of minimum sublease rentals to be received by the seller-lessee in the next four fiscal years.

+ References

No definition available.

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Amount of minimum sublease rentals to be received by the seller-lessee in the next fiscal year.

+ References

No definition available.

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- Definition

Amount of minimum sublease rentals to be received by the seller-lessee in the next three fiscal years.

+ References

No definition available.

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- Definition

Amount of minimum sublease rentals to be received by the seller-lessee in the next two fiscal years.

+ References

No definition available.

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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