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Quarterly Results Quarterly Results (Unaudited) - Additional Information (Detail) (Chief Executive Officer Retirement Bonus, USD $) In Millions, unless otherwise specified | 3 Months Ended
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Dec. 31, 2013
Chief Executive Officer Retirement Bonus |
Effect of Fourth Quarter Events [Line Items] |
Other Labor-related Expenses | $ 8

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- Definition Amount of payroll tax expense, compensation, postemployment and benefit-related expenses not elsewhere specified in the taxonomy (such as health plan, profit sharing, incentives, tuition reimbursement, other fringe benefits and perquisites) incurred in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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