Divestitures and Business Combinations (Details) - Spinoff [Member] - KLX Inc [Member] - Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] $ in Millions		3 Months Ended	9 Months Ended
Dec. 16, 2014	Sep. 30, 2014 USD ($)	Sep. 30, 2014 USD ($)
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Ratio of shares of common stock to be distributed to shareholders	0.5
Revenues		$ 448.7	$ 1,241.9
Earnings before income taxes		75.0	214.9
Earnings from discontinued operations, net of income taxes		$ 53.0	$ 145.1

Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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