Consolidated Statements of Equity (Deficit) - USD ($)	Total	Class A Common Stock	Class B Common Stock	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Preferred Stock	Additional Paid-in Capital	Cumulative Translation Adjustments	Unrealized Gain (Loss) on Derivative Instruments	Retained Earnings (Deficit)	Non-controlling Interests	Members' Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	$ 73,795,000											$ 73,795,000
Foreign currency translation adjustments	2,364,000
Beginning Balance at Sep. 30, 2020	(43,548,000)							$ (28,455,000)	$ (40,125,000)			25,032,000
Members' Equity [Abstract]
Capital contributions	125,000											125,000
Interest income on notes receivable	(29,000)											(29,000)
Notes receivable repayments	152,000											152,000
Members’ distributions	(30,168,000)											(30,168,000)
Unit-based compensation	430,000											430,000
Foreign currency translation adjustments	2,364,000							2,364,000				0
Commodity index contracts	18,348,000								18,348,000			0
Total gain recognized	5,245,000								5,245,000			0
Ending Balance at Mar. 31, 2021	26,714,000							(26,091,000)	(16,532,000)			69,337,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	68,910,000											68,910,000
Foreign currency translation adjustments	(8,093,000)
Beginning Balance at Dec. 31, 2020	(52,919,000)							(17,998,000)	(36,416,000)			1,495,000
Members' Equity [Abstract]
Capital contributions	25,000											25,000
Interest income on notes receivable	(15,000)											(15,000)
Members’ distributions	(1,078,000)											(1,078,000)
Foreign currency translation adjustments	(8,093,000)							(8,093,000)				0
Commodity index contracts	17,219,000								17,219,000			0
Total gain recognized	2,665,000								2,665,000			0
Ending Balance at Mar. 31, 2021	26,714,000							(26,091,000)	(16,532,000)			$ 69,337,000
Beginning Balance (in shares) at Sep. 30, 2021		52,533,388	233,572,370	52,533,388	233,572,370
Beginning Balance at Sep. 30, 2021	$ (121,345,000)			$ 53,000	$ 2,000	$ 0	$ 6,109,000	(5,692,000)	(3,588,000)	$ (7,646,000)	$ (110,583,000)
Beginning Balance, Preferred Stock (in shares) at Sep. 30, 2021	0					0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repayment of member notes	$ 11,350,000				$ 1,072,849		2,077,000				9,273,000
Deferred tax asset associated with repayment of member notes	(487,000)						(487,000)
Issuance of Class A shares for equity awards (in shares)				265,953
Issuance of Class A shares for equity awards	(1,320,000)						(1,320,000)
Conversion of Paired Interests (in shares)				35,394	(35,394)
Net (loss) income	(125,866,000)									(37,673,000)	(88,193,000)
Interest income on notes receivable	(3,000)						(3,000)
Dividends on Class A shares and equity awards	(4,444,000)									(4,444,000)
Distributions to noncontrolling interests	(24,691,000)										(24,691,000)
Stock-based compensation	47,701,000						8,749,000				38,952,000
Foreign currency translation adjustments	(7,207,000)							(1,059,000)			(6,148,000)
Gain on derivative instruments	27,488,000								4,046,000		23,442,000
Reclassification of realized loss on derivative instruments to net loss	$ 4,748,000								697,000		4,051,000
Ending Balance (in shares) at Mar. 31, 2022		52,834,735	234,609,825	52,834,735	234,609,825
Ending Balance, Preferred Stock (in shares) at Mar. 31, 2022	0					0
Ending Balance at Mar. 31, 2022	$ (194,076,000)			$ 53,000	$ 2,000	$ 0	15,125,000	(6,751,000)	1,155,000	(49,763,000)	(153,897,000)
Beginning Balance (in shares) at Dec. 31, 2021				52,569,898	234,645,219
Beginning Balance at Dec. 31, 2021	(169,427,000)			$ 53,000	$ 2,000	$ 0	12,015,000	(6,133,000)	(2,809,000)	6,899,000	(179,454,000)
Beginning Balance, Preferred Stock (in shares) at Dec. 31, 2021						0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Class A shares for equity awards (in shares)				229,443
Issuance of Class A shares for equity awards	(969,000)						(969,000)
Conversion of Paired Interests (in shares)				35,394	(35,394)
Net (loss) income	(51,313,000)									(54,450,000)	3,137,000
Dividends on Class A shares and equity awards	(2,212,000)									(2,212,000)
Distributions to noncontrolling interests	(15,064,000)										(15,064,000)
Stock-based compensation	22,190,000						4,079,000				18,111,000
Foreign currency translation adjustments	(4,201,000)							(618,000)			(3,583,000)
Gain on derivative instruments	24,731,000								3,642,000		21,089,000
Reclassification of realized loss on derivative instruments to net loss	$ 2,189,000								322,000		1,867,000
Ending Balance (in shares) at Mar. 31, 2022		52,834,735	234,609,825	52,834,735	234,609,825
Ending Balance, Preferred Stock (in shares) at Mar. 31, 2022	0					0
Ending Balance at Mar. 31, 2022	$ (194,076,000)			$ 53,000	$ 2,000	$ 0	$ 15,125,000	$ (6,751,000)	$ 1,155,000	$ (49,763,000)	$ (153,897,000)