Components of and Changes in Accumulated Other Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 30.6	$ 10.6	$ 29.5
Amounts classified into accumulated other comprehensive income	79.6
Amounts reclassified from accumulated other comprehensive income	(14.8)
Changes during year	64.8	20.0	(18.9)
Ending Balance	95.4	30.6	10.6
Foreign Currency Adjustments
Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	63.5	55.1	56.9
Amounts classified into accumulated other comprehensive income	(10.2)
Changes during year	(10.2)	8.4	(1.8)
Ending Balance	53.3	63.5	55.1
Derivative Hedging Gain
Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	0.2	0.5	1.2
Amounts classified into accumulated other comprehensive income	2.0
Amounts reclassified from accumulated other comprehensive income	(1.3)
Changes during year	0.7	(0.3)	(0.7)
Ending Balance	0.9	0.2	0.5
Defined Benefit Plan Adjustments
Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(33.1)	(45.0)	(28.6)
Amounts classified into accumulated other comprehensive income	87.8
Amounts reclassified from accumulated other comprehensive income	(13.5)
Changes during year	74.3	11.9	(16.4)
Ending Balance	$ 41.2	$ (33.1)	$ (45.0)

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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