Consolidated Statement of Earnings (Parenthetical) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Earnings from discontinued operations, less tax provision for income taxes		$ 15.5	$ 16.2
(Loss)/gain on sale of discontinued EPC operations, tax provision	$ 6.3	$ 145.6

Amount of tax expense or benefit on gain (loss), not previously recognized, resulting from the sale of a business component.

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