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Income Tax Expense Level 4 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
INCOME TAX EXPENSE [Abstract]
Effective Income Tax Rate, Continuing Operations	26.10%	24.80%
Tax Adjustments, Settlements, and Unusual Provisions		$ 1.1

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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