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Long-Term Debt - Summary of Long-Term Debt (Parenthetical) (Detail) | Sep. 30, 2013 | Dec. 31, 2012 | Oct. 03, 2012
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Debt Instrument [Line Items] |  |  |
Percentage of aggregate principal amount of outstanding | 5.375% | 5.375% |
5.375% Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Percentage of aggregate principal amount of outstanding | 5.375% | 5.375% | 5.375%
2.05% Term Loan, Due Mar. 2023 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Percentage of aggregate principal amount of outstanding | 2.05% |  |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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