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Special Charges Special Charges (Tables)

12 Months Ended

Dec. 31, 2015

Restructuring and Related Activities [Abstract]

Special Charges Summary [Table Text Block]

A summary of special charges and changes in the related balance sheet accounts follows (in millions):



	Predecessor													Successor
	Liability Balance to Be Paid, Dec. 31, 2013				Nine Months Ended Sep. 30, 2014									Liability Balance to Be Paid, Sep. 30, 2014				Three Months Ended Dec. 31, 2014								Liability Balance to Be Paid, Dec. 31, 2014
	Liability Balance to Be Paid, Dec. 31, 2013				Special Charges				Paid					Liability Balance to Be Paid, Sep. 30, 2014				Special Charges				Paid				Liability Balance to Be Paid, Dec. 31, 2014
Workforce reductions, primarily severance payments	$	21.2			$	4.5			$	(13.6	)			$	12.1			$	3.7			$	(13.4	)		$	2.4
Less: Amounts billed to DOE					(2.4		)											(1.6		)
					$	2.1												$	2.1



	Successor
	Liability Balance to Be Paid, Dec. 31, 2014				2015								Liability Balance to Be Paid, Dec. 31, 2015
	Liability Balance to Be Paid, Dec. 31, 2014				Special Charges				Paid				Liability Balance to Be Paid, Dec. 31, 2015
Workforce reductions, primarily severance payments	$	2.4			$	13.6			$	(7.3	)		$	8.7
Less: Amounts billed to DOE					(0.4		)
					$	13.2