Earnings per Share - Narrative (Details)	3 Months Ended	9 Months Ended
	Jun. 30, 2016 shares	Jun. 30, 2016 shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Warrants (in shares)	50,025,000	50,025,000
Founders Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	12,476,250	12,476,250
Performance Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	1,547,500	1,547,500
Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	25,012,500	25,012,500