Contingencies (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended			6 Months Ended				0 Months Ended
	Jun. 13, 2014	Sep. 06, 2014	Jun. 14, 2014 subpoena	Jun. 12, 2014	Sep. 06, 2014 complaint	Sep. 06, 2014 Delaware Action [Member] lawsuit	Sep. 06, 2014 Consolidated California State Action [Member] lawsuit	Sep. 06, 2014 Federal Court Actions [Member] lawsuit	Oct. 14, 2014 Subsequent Event [Member] Delaware Action [Member]	Sep. 17, 2014 Subsequent Event [Member] Delaware Action [Member]
Loss Contingencies [Line Items]
Number of lawsuits filed					14	7	4	3
Amended Merger Agreement, assumed tax rate	39.25%
Merger agreement, deadline period		3 years		4 years
Settlement, award of attorney's fees										$ 8.95
Settlement, award to plaintiffs' counsel										0.2
Amount received for insurance coverage									$ 3.5
Number of subpoenas from the DEA			2