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Share-Based Compensation - Additional Information (Detail) | 0 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended
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Apr. 01, 2014 2014 Executive Officer Long-Term Incentive Program | Sep. 30, 2014 Stock Options | Sep. 30, 2014 Stock Options | Sep. 30, 2014 Restricted Stock | Sep. 30, 2014 Restricted Stock | Sep. 30, 2014 Restricted Stock Units (RSUs) | Sep. 30, 2014 Restricted Stock Units (RSUs) | Sep. 30, 2014 Performance Units | Apr. 01, 2014 Performance Units 2014 Executive Officer Long-Term Incentive Program | Sep. 30, 2014 Performance Units 2014 Executive Officer Long-Term Incentive Program | Apr. 01, 2014 Stock Appreciation Rights (SARs) 2014 Executive Officer Long-Term Incentive Program | Sep. 30, 2014 Stock Appreciation Rights (SARs) 2014 Executive Officer Long-Term Incentive Program | Apr. 01, 2014 Cash units 2014 Executive Officer Long-Term Incentive Program | Sep. 30, 2014 Cash units 2014 Executive Officer Long-Term Incentive Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based awards |  | 223,944 | 594,943 | 49,124 | 422,269 |  | 84,554 |  |  |  |  |  |  |
Share based awards forfeited |  |  |  |  |  | 88,705 |  | 34,693 |  |  |  |  |  |
Awards granted | 234,536 |  |  |  |  |  |  |  | 99,933 |  | 97,752 |  | 36,851 |
Cash-based awards, expiration period |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |
Cash settled awards, shares forfeited |  |  |  |  |  |  |  |  |  | 35,620 |  | 34,842 |  | 13,134

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- Definition Share Based Compensation Arrangement By Share Based Payment Award Shares Forfeited In Period + References No definition available. + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Details
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- Definition Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. + References No definition available. + Details
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