Future Minimum Lease Payments For Operating And Capital Leases (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]
Future minimum lease payments for operating lease for year 2015	$ 16,206
Future minimum lease payments for operating lease for year 2016	11,534
Future minimum lease payments for operating lease for year 2017	8,168
Future minimum lease payments for operating lease for year 2018	6,100
Future minimum lease payments for operating lease for year 2019	3,481
Future minimum lease payments for operating lease for year 2020 and thereafter	7,005
Future minimum lease payments for operating lease total	52,494
Future minimum lease payments for capital lease for year 2015	499
Future minimum lease payments for capital lease for year 2016	536
Future minimum lease payments for capital lease for year 2017	1,058
Future minimum lease payments for capital lease for year 2018	102
Future minimum lease payments for capital lease for year 2019	0
Future minimum lease payments for capital lease for year 2020 and thereafter	0
Future minimum lease payments for capital lease total	$ 2,195

Amount of minimum lease payments for capital leases.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

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Amount of minimum lease payments for capital leases 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 minimum lease payments for capital leases 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.

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Amount of minimum lease payments for capital leases 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.

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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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