v3.8.0.1

Income Taxes Net Operating Loss Carryforwards (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($)
Operating Loss Carryforwards [Line Items]
Foreign Earnings Repatriated	$ 0.0
Tax Credit Carryforward, Expiration Date	Jan. 01, 2020
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards Expiring In 2020	$ 111.4
California Franchise Tax Board [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards Expiring In 2028	20.7
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	42.1
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 761.6
Operating Loss Carryforwards, Expiration Dates	Jan. 01, 2020
Deferred Tax Assets, Tax Credit Carryforwards, Research	$ 33.3
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 456.3
Operating Loss Carryforwards, Expiration Dates	Jan. 01, 2018
Deferred Tax Assets, Tax Credit Carryforwards, Research	$ 33.8
California Franchise Tax Board [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards Expiring In Year Thirteen and Thereafter	$ 324.2

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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