Basis of Presentation - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Net Revenue	$ 0	$ 23,200,000	$ 9,700,000	$ 19,700,000
Non-customer [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Litigation Settlement, Amount	$ 0	$ 0	$ 0	$ 7,900,000