Fair Value Measurements (Tables)

9 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Financial assets (liabilities) that are measured at fair value on a recurring basis

The tables below present our financial assets (liabilities) that were carried and measured at fair value on a recurring basis:

Financial Assets (Liabilities)	Balance Sheet Location	June 30, 2019		June 30, 2018			September 30, 2018
		(in thousands)
2019 Convertible Notes Hedges — Level 2	Prepaid expenses and other current assets	$	—	$	7,491		$	2,552
2019 Convertible Notes Embedded Derivative — Level 2	Current maturities of long-term debt, net	—		(7,491		)	(2,552		)

Financial assets, temporary equity, and liabilities not measured at fair value in the consolidated balance sheet

The tables below present our financial assets and liabilities that were not measured at fair value on a recurring basis:

	Carrying Value		Estimated Fair Value
	June 30, 2019		June 30, 2019		Fair Value Measurement Using
					Level 1		Level 2		Level 3
	(in thousands)
Financial assets:
Notes receivable from Grupo Finmart, net	$	18,744	$	19,517	$	—	$	—	$	19,517
Zero-coupon convertible promissory note due January 2021	7,226		7,226		—		—		7,226
2.89% promissory note receivable due April 2024	1,108		1,108		—		—		1,108
Investments in unconsolidated affiliates	30,922		27,158		24,464		—		2,694
Financial liabilities:
2024 Convertible Notes	$	109,909	$	161,719	$	—	$	161,719	$	—
2025 Convertible Notes	124,542		159,873		—		159,873		—
8.5% unsecured debt due 2024	1,148		1,148		—		—		1,148
CASHMAX secured borrowing facility	65		804		—		—		804

	Carrying Value		Estimated Fair Value
	June 30, 2018		June 30, 2018		Fair Value Measurement Using
					Level 1		Level 2		Level 3
	(in thousands)
Financial assets:
Notes receivable from Grupo Finmart, net	$	51,338	$	57,116	$	—	$	—	$	57,116
Investments in unconsolidated affiliates	61,056		49,205		49,205		—		—
Financial liabilities:
2019 Convertible Notes	$	184,823	$	197,925	$	—	$	197,925	$	—
2024 Convertible Notes	104,562		195,974		—		195,974		—
2025 Convertible Notes	118,335		168,464		—		168,464		—

	Carrying Value		Estimated Fair Value
	September 30, 2018		September 30, 2018		Fair Value Measurement Using
					Level 1		Level 2		Level 3
	(in thousands)
Financial assets:
Notes receivable from Grupo Finmart, net	$	37,425	$	41,153	$	—	$	—	$	41,153
Investments in unconsolidated affiliates	49,500		49,500		49,500		—		—
Financial liabilities:
2019 Convertible Notes	$	187,433	$	189,150	$	—	$	189,150	$	—
2024 Convertible Notes	105,858		180,399		—		180,399		—
2025 Convertible Notes	119,736		161,253		—		161,253		—
8.5% unsecured debt due 2024	1,304		1,304		—		—		1,304