Amount of Accumulated Other Comprehensive Income Expected to be Recognized in Net Periodic Benefit Cost (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013
Pension Benefits, Domestic
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss (gain)	$ 5.0
Amount of AOCI expected to be recognized in net periodic benefit cost	5.0
Pension Benefits, Foreign
Defined Benefit Plan Disclosure [Line Items]
Prior service cost (credit)	0.1
Net actuarial loss (gain)	0.3
Amount of AOCI expected to be recognized in net periodic benefit cost	0.4
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Prior service cost (credit)	0.1
Net actuarial loss (gain)	5.3
Amount of AOCI expected to be recognized in net periodic benefit cost	5.4
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Prior service cost (credit)	(0.3)
Net actuarial loss (gain)	(0.2)
Amount of AOCI expected to be recognized in net periodic benefit cost	$ (0.5)

The amounts in accumulated other comprehensive income related to gains and losses that are not recognized immediately and are expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

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The amounts in accumulated other comprehensive income related to prior service cost or credit expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

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- Definition

The aggregate amount in accumulated other comprehensive income expected to be recognized as a component of net periodic benefit cost over the fiscal year that follows the most recent annual statement of financial position presented, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation.

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