Litigation (Details)				8 Months Ended
	Aug. 05, 2015 USD ($)	Nov. 19, 2014 USD ($)	Sep. 14, 2010 USD ($)	Jun. 30, 2016 lawsuit	May 19, 2016 USD ($)	Oct. 28, 2015 USD ($)
Income Tax Contingency [Line Items]
Additional tax liability as a result of tax years being closed					$ 0
Number of lawsuits challenging merger | lawsuit				6
Contract termination fee						$ 69,500,000
Tax Years 2006 Through 2008
Income Tax Contingency [Line Items]
Alleged tax deficiency			$ 13,300,000
Tax Years 2009 Through 2010
Income Tax Contingency [Line Items]
Alleged tax deficiency		$ 6,100,000
Tax Years 2011 Through 2013
Income Tax Contingency [Line Items]
Alleged tax deficiency	$ 2,100,000