v3.5.0.2

Share-Based Compensation - Various Summaries (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Before-tax share-based compensation expense | $ 10,200,000 | $ 17,000,000 | $ 11,600,000
Income tax benefit | (3,300,000) | (6,000,000) | (3,900,000)
After-tax share-based compensation expense | $ 6,900,000 | $ 11,000,000 | 7,700,000
Shares |  |  |
Outstanding at the beginning of the period, Shares | 289,064 |  |
Granted, Shares | 0 |  |
Exercised, Shares | (17,324) |  |
Expired, Shares | (3,129) |  |
Outstanding at the end of the period, Shares | 268,611 | 289,064 |
Vested at the end of period, Shares | 268,611 |  |
Expected to vest as of December 31, 2015 | 0 |  |
Weighted Average Remaining Contractual Terms |  |  |
Outstanding, Weighted Average Remaining Contractual Terms (Years) | 4 years 4 months 24 days |  |
Vested, Weighted Average Remaining Contractual Terms (Years) | 4 years 4 months 24 days |  |
Expected, Weighted Average Remaining Contractual Terms (Years) | 0 years |  |
Weighted Average Exercise Price |  |  |
Outstanding at the beginning of period, Weighted Average Exercise Price | $ 116.40 |  |
Exercised, Weighted Average Exercise Price | 31.72 |  |
Expired, Weighted Average Exercise Price | 1,183.96 |  |
Outstanding at the end of period, Weighted Average Exercise Price | 109.42 | $ 116.40 |
Vested at the end of period, Weighted Average Exercise Price | 109.42 |  |
Expected to vest at the end of period,Weighted Average Exercise Price | $ 0 |  |
Aggregate Intrinsic Value |  |  |
Outstanding at the end of period, Aggregate Intrinsic Value | $ 0 |  |
Exercisable, Aggregate Intrinsic Value | 0 |  |
Vested at the end of period, Aggregate Intrinsic Value | 0 |  |
Expected to vest at the end of period, Aggregate Intrinsic Value | $ 0 |  |
Shares Outstanding | 268,611 |  |
Shares Exercisable | 268,611 |  |
Exercise Price, Low End of Range | $ 8.74 |  |
Exercise Price, High End of Range | 1,344.50 |  |
Weighted Average Exercise Price, Outstanding | $ 109.42 |  |
Weighted Average Remaining Contractual Life, Outstanding | 4 years 4 months 24 days |  |
Weighted Average Exercise Price, Exercisable | $ 109.42 |  |
Restricted and Deferred Stock Units [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Before-tax share-based compensation expense | $ 10,200,000 | $ 16,500,000 | 10,600,000
Stock Options [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Before-tax share-based compensation expense |  | $ 500,000 | $ 1,000,000
Range of Exercise Prices from Dollars 8.75 to Dollars 21.25 [Member] |  |  |
Aggregate Intrinsic Value |  |  |
Shares Outstanding | 38,572 |  |
Shares Exercisable | 38,572 |  |
Exercise Price, Low End of Range | $ 8.74 |  |
Exercise Price, High End of Range | 25.00 |  |
Weighted Average Exercise Price, Outstanding | $ 21.25 |  |
Weighted Average Remaining Contractual Life, Outstanding | 3 years 2 months 12 days |  |
Weighted Average Exercise Price, Exercisable | $ 21.25 |  |
Range of Exercise Prices from Dollars 28.75 to Dollars 41.50 [Member] |  |  |
Aggregate Intrinsic Value |  |  |
Shares Outstanding | 173,989 |  |
Shares Exercisable | 173,989 |  |
Exercise Price, Low End of Range | $ 25.01 |  |
Exercise Price, High End of Range | 41.50 |  |
Weighted Average Exercise Price, Outstanding | $ 33.87 |  |
Weighted Average Remaining Contractual Life, Outstanding | 5 years 7 months 6 days |  |
Weighted Average Exercise Price, Exercisable | $ 33.87 |  |
Range of Exercise Prices from Dollars 90.50 to Dollars 358.00 [Member] |  |  |
Aggregate Intrinsic Value |  |  |
Shares Outstanding | 24,998 |  |
Shares Exercisable | 24,998 |  |
Exercise Price, Low End of Range | $ 75.00 |  |
Exercise Price, High End of Range | 476.00 |  |
Weighted Average Exercise Price, Outstanding | $ 172.47 |  |
Weighted Average Remaining Contractual Life, Outstanding | 2 years 1 month 6 days |  |
Weighted Average Exercise Price, Exercisable | $ 172.47 |  |
Range of Exercise Prices from Dollars 510.75 to Dollars 1334.50 [Member] |  |  |
Aggregate Intrinsic Value |  |  |
Shares Outstanding | 31,052 |  |
Shares Exercisable | 31,052 |  |
Exercise Price, Low End of Range | $ 476.01 |  |
Exercise Price, High End of Range | 1,334.50 |  |
Weighted Average Exercise Price, Outstanding | $ 591.52 |  |
Weighted Average Remaining Contractual Life, Outstanding | 9 months 18 days |  |
Weighted Average Exercise Price, Exercisable | $ 591.52 |  |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option 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)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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