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Employee Plans - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 Y Age | Dec. 31, 2012 | Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of unissued common stock available for grant under the plans | 3.2 |  |
Age requirement for vesting provision, minimum | 55 |  |
Completion of service period (in years) for stock awards | 5 years |  |
Maximum contractual term of options granted (in years) | 5 |  |
Option vesting period (in years) | 3 years |  |
Share-based compensation expense | $ 12.5 | $ 14.3 | $ 13.9
Cash received from stock options exercised | 4.9 | 0.4 |
Deferred compensation Liability | 13.2 | 11.5 |
Pension Plans |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Matching contribution by the company as percentage of participants' contribution | 50.00% |  |
Percentage of eligible pay contributed by participants that will be matched | 6.00% |  |
Cost recognized for contribution plans | 11.8 | 12.1 | 12.5
International Plans |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Cost recognized for contribution plans | 26.7 | 30.0 | 33.7
Scenario, Forecast |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Expected pretax amortization of net loss in 2014 | 190.9 |  |
Expected pretax amortization of prior service cost in 2014 | (1.4) |  |
Expected cash contributions by the company in 2014 | 232.4 |  |
Scenario, Forecast | Other Postretirement Benefit Plans |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Expected pretax amortization of net loss in 2014 | 3.3 |  |
Expected pretax amortization of prior service cost in 2014 | 1.7 |  |
Expected cash contributions by the company in 2014 | 19.0 |  |
Scenario, Forecast | Pension Plans |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Expected pretax amortization of net loss in 2014 | 151.7 |  |
Expected pretax amortization of prior service cost in 2014 | (1.6) |  |
Scenario, Forecast | International Plans |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Expected cash contributions by the company in 2014 | 106.7 |  |
Scenario, Forecast | U.S. Plans |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Expected cash contributions by the company in 2014 | 125.7 |  |
Performance-Based Unit | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares which will vest after achievement of goals | 0 |  |
Performance-Based Unit | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares which will vest after achievement of goals | 1.5 |  |
Employee Stock Option |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation expense | 9.3 | 8.9 | 9.0
Total intrinsic value of options exercised | 7.9 | 0.9 | 4.4
Total unrecognized compensation cost | 3.0 |  |
Unrecognized compensation cost, Weighted-average recognition period | 1 year 8 months 12 days |  |
Restricted Stock Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation expense | 3.2 | 5.4 | 4.9
Total unrecognized compensation cost | 1.6 |  |
Unrecognized compensation cost, Weighted-average recognition period | 2 years |  |
Aggregate weighted-average grant-date fair value of units granted | 5.3 | 3.3 | 11.3
Aggregate weighted-average grant-date fair value of units vested | $ 4.5 | $ 4.1 | $ 5.7

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- Definition Share-based compensation arrangement by share-based payment award, other than options, grants in period, weighted average grant date fair value. + References No definition available. + Details
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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 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: 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 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 Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 + Details
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- Definition Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements. + 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 (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 + Details
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