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Fair Value of Financial instruments and Derivatives - Summary of Company's Financial Instruments Accounted for at Fair Value on Nonrecurring Basis (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Goodwill |  | $ 60,744
Trade names |  | 27,000
Total | 21,749 | 103,506
Fair Value on a Nonrecurring Basis [Member] | Goodwill [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Goodwill |  | 60,744
Fair Value on a Nonrecurring Basis [Member] | Trade Names [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Trade names |  | 27,000
Fair Value on a Nonrecurring Basis [Member] | Net Assets Held for Sale [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net assets held for sale | 21,749 | 15,762
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value on a Nonrecurring Basis [Member] | Goodwill [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Goodwill |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value on a Nonrecurring Basis [Member] | Trade Names [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Trade names |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value on a Nonrecurring Basis [Member] | Net Assets Held for Sale [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net assets held for sale |  |
Significant Other Observable Inputs (Level 2) [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total |  |
Significant Other Observable Inputs (Level 2) [Member] | Fair Value on a Nonrecurring Basis [Member] | Goodwill [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Goodwill |  |
Significant Other Observable Inputs (Level 2) [Member] | Fair Value on a Nonrecurring Basis [Member] | Trade Names [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Trade names |  |
Significant Other Observable Inputs (Level 2) [Member] | Fair Value on a Nonrecurring Basis [Member] | Net Assets Held for Sale [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net assets held for sale |  |
Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total | 21,749 | 103,506
Significant Unobservable Inputs (Level 3) [Member] | Fair Value on a Nonrecurring Basis [Member] | Goodwill [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Goodwill |  | 60,744
Significant Unobservable Inputs (Level 3) [Member] | Fair Value on a Nonrecurring Basis [Member] | Trade Names [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Trade names |  | 27,000
Significant Unobservable Inputs (Level 3) [Member] | Fair Value on a Nonrecurring Basis [Member] | Net Assets Held for Sale [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net assets held for sale | $ 21,749 | $ 15,762

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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