LONG-TERM DEBT (Tables)

9 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Summary of Long-Term Debt

		At June 30, 2021										At September 30, 2020
		Outstanding Balance		Original Issuer Premium		Capitalized Fees & Expenses		Balance Sheet		Coupon Interest Rate		Outstanding Balance		Original Issuer Premium		Capitalized Fees & Expenses		Balance Sheet		Coupon Interest Rate
Senior notes due 2028	(a)	$	1,000,000	$	327	(13,811)		$	986,516	5.75	%	$	1,000,000	$	363	$	(15,376)	$	984,987	5.75	%
Revolver due 2025	(b)	20,775		—		(1,841)		18,934		Variable		12,858		—		(2,209)		10,649		Variable
Finance lease - real estate	(c)	15,265		—		(11)		15,254		5.60	%	17,218		—		(30)		17,188		5.60	%
Non US lines of credit	(d)	2,871		—		(21)		2,850		Variable		—		—		(30)		(30)		Variable
Non US term loans	(d)	28,204		—		(113)		28,091		Variable		31,086		—		(160)		30,926		Variable
Other long term debt	(e)	4,006		—		(15)		3,991		Variable		3,260		—		(16)		3,244		Variable
Totals		1,071,121		327		(15,812)		1,055,636				1,064,422		363		(17,821)		1,046,964
less: Current portion		(13,024)		—		—		(13,024)				(9,922)		—		—		(9,922)
Long-term debt		$	1,058,097	$	327	$	(15,812)	$	1,042,612			$	1,054,500	$	363	$	(17,821)	$	1,037,042

Summary of Interest Expense Incurred

		Three Months Ended June 30, 2021										Three Months Ended June 30, 2020
		Effective Interest Rate		Cash Interest		Amort. Debt Premium		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense		Effective Interest Rate		Cash Interest		Amort. Debt Premium		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense
Senior notes due 2028	(a)	6.0	%	$	14,375	$	(12)	$	496	$	14,859	5.8	%	$	12,219	$	—	$	277	$	12,496
Senior notes due 2022	(a)	—		—		—		—		—		5.7	%	1,960		11		155		2,126
Revolver due 2025	(b)	Variable		344		—		123		467		Variable		1,597		—		134		1,731
Finance lease - real estate	(c)	5.8	%	215		—		6		221		6.3	%	33		—		6		39
Non US lines of credit	(d)	Variable		4		—		4		8		Variable		4		—		(1)		3
Non US term loans	(d)	Variable		169		—		18		187		Variable		222		—		21		243
Other long term debt	(e)	Variable		107		—		—		107		Variable		102		—		1		103
Capitalized interest				—		—		—		—				(16)		—		—		(16)
Totals				$	15,214	$	(12)	$	647	$	15,849			$	16,121	$	11	$	593	$	16,725

		Nine Months Ended June 30, 2021										Nine Months Ended June 30, 2020
		Effective Interest Rate		Cash Interest		Amort. Debt Premium		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense		Effective Interest Rate		Cash Interest		Amort. Debt Premium		Amort. Debt Issuance Costs & Other Fees		Total Interest Expense
Senior notes due 2028	(a)	6.0	%	$	43,125	$	(35)	$	1,566	$	44,656	5.9	%	$	17,785	$	—	$	412	$	18,197
Senior notes due 2022	(a)	—		—		—		—		—		5.7	%	23,125		123		1,734		24,982
Revolver due 2025	(b)	Variable		760		—		368		1,128		Variable		4,798		—		531		5,329
Finance lease - real estate	(c)	5.8	%	671		—		19		690		6.1	%	146		—		19		165
Non US lines of credit	(d)	Variable		11		—		12		23		Variable		11		—		11		22
Non US term loans	(d)	Variable		503		—		53		556		Variable		786		—		40		826
Other long term debt	(e)	Variable		329		—		1		330		Variable		394		—		1		395
Capitalized interest				(13)		—		—		(13)				(109)		—		—		(109)
Totals				$	45,386	$	(35)	$	2,019	$	47,370			$	46,936	$	123	$	2,748	$	49,807