Condensed Consolidated Statements of Comprehensive (Loss) Income Parenthetical (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Foreign currency translation loss, tax	$ (0.1)
Amortization of prior service benefits , tax	(1.2)	(1.2)
Amortization of net actuarial loss , tax	$ 2.8	$ 2.0

Tax effect of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost.

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-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

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+ Details

- Definition

Amount of tax effect, net of reclassification adjustments, on the result from the process of expressing in the reporting currency of the reporting entity those amounts that are denominated or measured in a different currency, attributable to the parent entity.

+ References

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+ Details