Corporate Borrowings And Capital Lease Obligations (Detail) - Summary of Leases and Debt Maturities (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Long-term Debt, Fiscal Year Maturity [Abstract]
2015	$ 1,613
2016	1,313
2017	7,357
2018	0
2019	0
Total	0
Total	10,283us-gaap_LongTermDebt
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2015	3,641
2016	2,457
2017	1,466
2018	320
2019	235
Thereafter	1,304
Total	9,423
Line of Credit [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
2015	0
2016	0
2017	6,670
2018	0
2019	0
Total	0
Total	6,670
Long Term Debt, Excluding Capital Lease Obligations [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
2015	368
2016	36
2017	0
2018	0
2019	0
Total	0
Total	404
Capital Lease Obligations [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
2015	1,245
2016	1,277
2017	687
2018	0
2019	0
Total	0
Total	3,209
Capital Lease Obligations, Interest [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
2015	72
2016	39
2017	7
2018	0
2019	0
Total	0
Total	118
Capital Lease Obligation, Minimum Lease Payments [Member]
Long-term Debt, Fiscal Year Maturity [Abstract]
2015	1,316
2016	1,317
2017	694
2018	0
2019	0
Total	0
Total	$ 3,327

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

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

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing 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.

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

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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.

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

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-Name Accounting Standards Codification

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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 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.

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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.

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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.

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