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Income Taxes - Schedule of Components of Deferred Income Tax Assets and Liabilities for Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Composition Of Deferred Tax Assets And Liabilities [Line Items] |  |
Accrued occupancy | $ 3,526 | $ 1,675
Deferred rent obligations | 17,327 | 17,285
Foreign tax credits | 22,267 |
Valuation allowance foreign tax credits | (607) |
Compensation and employee benefits | 13,946 | 17,418
Tax net operating loss carry forwards | 5,454 | 5,312
Valuation allowance | (5,100) | (4,327)
Allowance for doubtful accounts | 2,150 | 5,151
Covenant not-to-compete | 117 | 210
Accrued settlements and legal | 1,887 | 2,767
Deferred compensation | 130 | 647
Accrued restructuring and severance | 2,332 | 1,138
Other | 1,988 | 4,332
Total deferred income tax assets | 65,417 | 51,608
Depreciation and amortization | 4,974 | 32,189
Other | 5,281 | 5,909
Total deferred income tax liabilities | 10,255 | 38,098
Net deferred income tax assets | $ 55,162 | $ 13,510

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- Definition Amount of deferred tax liability attributable to taxable temporary differences from tax deferred revenue or other income not separately disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 11 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6969291&loc=d3e28680-109314 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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