Income Taxes (Tables)

12 Months Ended

Jun. 30, 2022

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of income tax expense to the federal statutory tax rate is as follows: 

	For the Years Ended June 30,
(In thousands)	2022		2021		2020
Statutory tax rate	21%		21%		21%
Income tax benefit at statutory rate	$	(3,352)	$	(5,892)	$	(7,829)
State income tax (net of federal tax benefit)	(754)		(736)		(1,523)
Valuation allowance	4,305		4,504		9,153
Change in tax rate	(210)		1,055		233
Post-retirement medical plan and other offset in OCI	—		13,738		—
Other (net)	(290)		926		(229)
Income tax (benefit) expense	$	(301)	$	13,595	$	(195)

Schedule of Deferred Tax Assets and Liabilities

The primary components of the temporary differences which give rise to the Company’s net deferred tax assets (liabilities) are as follows: 

	As of June 30,
(In thousands)	2022		2021
Deferred tax assets:
Postretirement benefits	$	7,284	$	9,364
Accrued liabilities	4,759		4,245
163(j) Interest Limitation	4,040		3,069
Net operating loss carryforward	51,413		48,195
Intangible assets	6,936		7,377
Right-of-use operating lease liabilities	7,041		6,592
Other	7,650		6,292
Total deferred tax assets	89,123		85,134
Deferred tax liabilities:
Property, plant and equipment	(15,726)		(15,448)
Right-of-use operating lease assets	(7,174)		(6,606)
Other	(79)		72
Total deferred tax liabilities	(22,979)		(21,982)
Valuation allowance	(66,879)		(64,312)
Net deferred tax liability	$	(735)	$	(1,160)