Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	December 31, 2021
			Total Fair Value		Quoted Prices (Level 1)		Significant Unobservable Inputs (Level 3)
Executive savings plan assets		$	955	$	955	$	—
Equity securities			1,206		1,206		—
Executive savings plan liabilities			(823)		(823)		—
Contingent consideration liability			(4,216)		—		(4,216)
Total		$	(2,878)	$	1,338	$	(4,216)

	September 30, 2021
			Total Fair Value		Quoted Prices (Level 1)		Significant Unobservable Inputs (Level 3)
Executive savings plan assets		$	937	$	937	$	—
Executive savings plan liabilities			(806)		(806)		—
Contingent consideration liability			(4,181)		—		(4,181)
Total		$	(4,050)	$	131	$	(4,181)

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

		Contingent Consideration Agreements
Fair value at September 30, 2021	$	(4,181)
Net adjustments to fair value		(35)
Fair value at December 31, 2021	$	(4,216)