Note 8 - Income Taxes (Tables)
|
12 Months Ended |
Mar. 31, 2026 |
| Notes Tables |
|
| Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
| |
|
|
|
|
|
Fiscal Year:
|
|
|
|
|
|
| |
|
2026
|
|
|
2025
|
|
|
2024
|
|
|
Current:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Federal
|
|
$ |
22,075 |
|
|
$ |
9,236 |
|
|
$ |
20,850 |
|
|
State
|
|
|
4,225 |
|
|
|
1,833 |
|
|
|
4,364 |
|
|
Total
|
|
|
26,300 |
|
|
|
11,069 |
|
|
|
25,214 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
Deferred:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Federal
|
|
$ |
5,712 |
|
|
$ |
1,257 |
|
|
$ |
(5,010 |
) |
|
State
|
|
|
2,409 |
|
|
|
933 |
|
|
|
(523 |
) |
|
Total
|
|
|
8,121 |
|
|
|
2,190 |
|
|
|
(5,533 |
) |
|
Total income taxes
|
|
$ |
34,421 |
|
|
$ |
13,259 |
|
|
$ |
19,681 |
|
|
| Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
| |
|
Fiscal Year:
|
|
| |
|
2026
|
|
|
U.S. federal statutory rate
|
|
$ |
31,310 |
|
|
|
|
21.0 |
% |
|
State income taxes (net of federal tax benefit) (1)
|
|
|
5,388 |
|
|
|
|
3.6 |
% |
|
Effect of cross border tax laws
|
|
|
(304 |
) |
|
|
|
-0.2 |
% |
|
Tax credits
|
|
|
(416 |
) |
|
|
|
-0.3 |
% |
|
Non-taxable or non-deductible items
|
|
|
(1,222 |
) |
|
|
|
-0.8 |
% |
|
Changes in unrecognized tax benefits
|
|
|
(438 |
) |
|
|
|
-0.3 |
% |
|
Other reconciling items
|
|
|
103 |
|
|
|
|
0.1 |
% |
|
Total
|
|
$ |
34,421 |
|
|
|
|
23.1 |
% |
| |
|
Fiscal Year:
|
|
| |
|
2025
|
|
|
2024
|
|
|
U.S. federal statutory rate
|
|
|
21.0 |
% |
|
|
21.0 |
% |
|
State income taxes (net of federal tax benefit)
|
|
|
3.9 |
% |
|
|
3.6 |
% |
|
Federal credits
|
|
|
-0.8 |
% |
|
|
-0.6 |
% |
|
State rate changes
|
|
|
0.0 |
% |
|
|
-0.2 |
% |
|
State credit expiration
|
|
|
0.9 |
% |
|
|
0.0 |
% |
|
State return to accrual
|
|
|
1.4 |
% |
|
|
0.5 |
% |
|
Change in valuation allowance
|
|
|
-2.1 |
% |
|
|
-0.2 |
% |
|
Other
|
|
|
0.0 |
% |
|
|
-0.4 |
% |
|
Effective income tax rate
|
|
|
24.3 |
% |
|
|
23.7 |
% |
|
| Schedule of Cash Paid for Income Taxes [Table Text Block] |
|
Federal
|
|
$ |
25,197 |
|
| Illinois |
|
|
1,600 |
|
|
Other states
|
|
|
3,465 |
|
|
Income taxes paid, net of amounts refunded
|
|
$ |
30,262 |
|
|
| Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
| |
|
As of:
|
|
| |
|
March 31,
|
|
|
March 31,
|
|
| |
|
2026
|
|
|
2025
|
|
|
Deferred income tax assets:
|
|
|
|
|
|
|
|
|
|
Future tax credits
|
|
$ |
2,348 |
|
|
$ |
3,719 |
|
|
Inventory valuation
|
|
|
6,988 |
|
|
|
7,294 |
|
|
Employee benefits
|
|
|
3,509 |
|
|
|
3,108 |
|
|
Insurance
|
|
|
560 |
|
|
|
878 |
|
|
State depreciation basis differences
|
|
|
2,896 |
|
|
|
3,152 |
|
|
Operating leases
|
|
|
228 |
|
|
|
128 |
|
|
Intangibles
|
|
|
- |
|
|
|
2,994 |
|
|
Pension and post-retirement benefits
|
|
|
13 |
|
|
|
2,877 |
|
|
Interest
|
|
|
19 |
|
|
|
34 |
|
|
Business interest limitation
|
|
|
- |
|
|
|
3,194 |
|
|
Deferred revenue
|
|
|
100 |
|
|
|
164 |
|
|
Net operating loss and other tax attribute carryovers
|
|
|
132 |
|
|
|
278 |
|
|
Other
|
|
|
326 |
|
|
|
467 |
|
|
Total assets
|
|
|
17,119 |
|
|
|
28,287 |
|
|
Valuation allowance - noncurrent
|
|
|
(2,328 |
) |
|
|
(3,719 |
) |
|
Total deferred income tax assets, net
|
|
|
14,791 |
|
|
|
24,568 |
|
|
Deferred income tax liabilities:
|
|
|
|
|
|
|
|
|
|
Property basis and depreciation difference
|
|
|
29,853 |
|
|
|
27,537 |
|
|
Intangibles
|
|
|
379 |
|
|
|
- |
|
|
Inventory reserve
|
|
|
6,558 |
|
|
|
5,200 |
|
|
Right-of-use assets
|
|
|
705 |
|
|
|
2,236 |
|
|
Pension
|
|
|
26,798 |
|
|
|
21,587 |
|
|
Other
|
|
|
158 |
|
|
|
290 |
|
|
Total liabilities
|
|
|
64,451 |
|
|
|
56,850 |
|
|
Deferred income tax liability, net
|
|
$ |
(49,660 |
) |
|
$ |
(32,282 |
) |
|
| Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
| |
|
As of:
|
|
| |
|
March 31,
|
|
|
March 31,
|
|
| |
|
2026
|
|
|
2025
|
|
|
Beginning balance
|
|
$ |
912 |
|
|
$ |
830 |
|
|
Tax positions related to prior years:
|
|
|
|
|
|
|
|
|
|
Additions
|
|
|
- |
|
|
|
82 |
|
|
Lapses in statues of limitations
|
|
|
(494 |
) |
|
|
- |
|
|
Ending balance
|
|
$ |
418 |
|
|
$ |
912 |
|
|