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Reconciliation of Consolidated Segment Earnings to Consolidated Income Before Provision for Income Taxes (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |
Segment earnings | $ 736.6 | [1] | $ 705.2 | [1] | $ 679.6 | [1]
Interest expense | 68.4 |  | 49.9 |  | 39.7 |
Other expense, net | 58.1 |  | 6.4 |  | 24.2 |
Consolidated income before provision (benefit) for income taxes and equity in net income of affiliates | 610.1 |  | 648.9 |  | 615.7 |
Operating Segments |  |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |
Segment earnings | 991.2 |  | 916.6 |  | 888.8 |
Corporate and regional headquarters and elimination of intercompany activity ("Other") |  |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |
Segment earnings | $ (254.6) | [1] | $ (211.4) | [1] | $ (209.2) | [1]
[1] | See definition in Note 2, "Summary of Significant Accounting Policies - Segment Reporting."

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