LONG-TERM DEBT (Tables)

6 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Summary of Long-Term Debt

		At March 31, 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	$	339	(14,329)		$	986,010	5.75	%	$	1,000,000	$	363	$	(15,376)	$	984,987	5.75	%
Revolver due 2025	(b)	20,622		—		(1,963)		18,659		Variable		12,858		—		(2,209)		10,649		Variable
Finance lease - real estate	(c)	15,924		—		(17)		15,907		5.60	%	17,218		—		(30)		17,188		5.60	%
Non US lines of credit	(d)	4,405		—		(24)		4,381		Variable		—		—		(30)		(30)		Variable
Non US term loans	(d)	29,870		—		(133)		29,737		Variable		31,086		—		(160)		30,926		Variable
Other long term debt	(e)	4,094		—		(16)		4,078		Variable		3,260		—		(16)		3,244		Variable
Totals		1,074,915		339		(16,482)		1,058,772				1,064,422		363		(17,821)		1,046,964
less: Current portion		(14,913)		—		—		(14,913)				(9,922)		—		—		(9,922)
Long-term debt		$	1,060,002	$	339	$	(16,482)	$	1,043,859			$	1,054,500	$	363	$	(17,821)	$	1,037,042

Summary of Interest Expense Incurred

		Three Months Ended March 31, 2021										Three Months Ended March 31, 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	$	505	$	14,892	6.0	%	$	5,566	$	—	$	135	$	5,701
Senior notes due 2022	(a)	—		—		—		—		—		5.7	%	8,040		45		628		8,713
Revolver due 2025	(b)	Variable		287		—		122		409		Variable		1,819		—		165		1,984
Finance lease - real estate	(c)	5.9	%	224		—		7		231		6.1	%	52		—		7		59
Non US lines of credit	(d)	Variable		4		—		4		8		Variable		3		—		8		11
Non US term loans	(d)	Variable		163		—		18		181		Variable		292		—		7		299
Other long term debt	(e)	Variable		115		—		1		116		Variable		132		—		—		132
Capitalized interest				(6)		—		—		(6)				(28)		—		—		(28)
Totals				$	15,162	$	12	$	657	$	15,831			$	15,876	$	45	$	950	$	16,871

		Six Months Ended March 31, 2021										Six Months Ended March 31, 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	%	$	28,750	$	24	$	1,023	$	29,797	6.0	%	$	5,566	$	—	$	135	$	5,701
Senior notes due 2022	(a)	—		—		—		—		—		5.7	%	21,165		112		1,579		22,856
Revolver due 2025	(b)	Variable		416		—		245		661		Variable		3,201		—		397		3,598
Finance lease - real estate	(c)	5.6	%	456		—		13		469		6.0	%	113		—		13		126
Non US lines of credit	(d)	Variable		7		—		8		15		Variable		7		—		12		19
Non US term loans	(d)	Variable		334		—		35		369		Variable		564		—		19		583
Other long term debt	(e)	Variable		222		—		1		223		Variable		292		—		—		292
Capitalized interest				(13)		—		—		(13)				(93)		—		—		(93)
Totals				$	30,172	$	24	$	1,325	$	31,521			$	30,815	$	112	$	2,155	$	33,082