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Pension Benefits - Changes in Benefit Obligation and Fair Value of Benefit Plans Assets (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Defined Benefit Pension Plans And Defined Benefit Postretirement Plans Disclosure [Abstract]
Amortized from accumulated other comprehensive (loss) income into net periodic benefit cost	$ (1.0)

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- Details

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- Definition

Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation).

+ References

No definition available.

+ Details

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