Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Deposit received on sale of DPLER	$ 0.0		$ 75.5
Accounts receivable, net			31.0
Property, plant & equipment, net			4.6
Intangible assets, net			24.6
Other assets			2.0
Total assets of the disposal group classified as held for sale in the balance sheets			62.2
Accounts payable			0.8
Other liabilities			0.8
Total liabilities of the disposal group classified as held for sale in the balance sheets			1.6
Revenues	0.0	$ 122.3
Cost of revenues	0.0	(111.7)
Operating expenses	(0.7)	(7.0)
(Loss) profit on discontinued operations before income taxes	(0.7)	3.6
Gain from disposal of discontinued operations	49.2	0.0
Income tax expense	18.9	1.7
Discontinued operations	29.6	1.9
Cash flows from operating activities for discontinued operations	(0.7)	(7.2)
Cash flows from investing activities for discontinued operations	$ 75.5	$ (0.2)
Dpler [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Deposit received on sale of DPLER			$ 75.5