Long-Term Debt (Tables)

6 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of debt

Long-term debt consists of the following (in thousands):

	March 31, 2018							September 30, 2017
	Principal  Amount		Deferred Debt Issuance Costs			Carrying Amount		Principal  Amount		Deferred Debt Issuance Costs			Carrying Amount
Term loan A facility	$	370,000	$	(7,302	)	$	362,698	$	380,000	$	(7,562	)	$	372,438
Term loan B facility	440,562		(3,552		)	437,010		440,562		(4,162		)	436,400
Revolving facility	81,000		—			81,000		55,000		—			55,000
	891,562		(10,854		)	880,708		875,562		(11,724		)	863,838
Less: current portion	101,000		—			101,000		75,000		—			75,000
Non-current portion	$	790,562	$	(10,854	)	$	779,708	$	800,562	$	(11,724	)	$	788,838

Total deferred financing costs

The following table summarizes the total deferred debt issuance costs for the term loan A facility, the term loan B facility and the revolving facility, which will be amortized over their remaining terms.

	Term Loan A Facility			Term Loan B Facility			Revolving Facility			Total
Deferred debt issuance costs as of September 30, 2017	$	7,562		$	4,162		$	3,676		$	15,400
Deferred debt issuance costs for the Sixth Amendment	1,291			—			609			1,900
Amortization of deferred debt issuance costs	(1,551		)	(610		)	(750		)	(2,911		)
Deferred debt issuance costs as of March 31, 2018	$	7,302		$	3,552		$	3,535		$	14,389