v3.26.1
Consolidated Statements of Stockholders' Equity - USD ($)
Preferred Stock [Member]
Cumulative Preferred Stock [Member]
Preferred Stock [Member]
Cumulative Convertible Preferred Stock [Member]
Preferred Stock [Member]
Participating Convertible Preferred Stock [Member]
Preferred Stock [Member]
Common Stock [Member]
Common Class A [Member]
Common Stock [Member]
Common Class B [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock, Common [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Cumulative Preferred Stock [Member]
Cumulative Convertible Preferred Stock [Member]
Participating Convertible Preferred Stock [Member]
Common Class A [Member]
Common Class B [Member]
Total
Balance at Mar. 31, 2023       $ 351,000     $ 3,049,000 $ 99,152,000 $ (168,573,000) $ (20,488,000) $ 641,259,000           $ 554,750,000
Net earnings       0     0 0 0 0 63,318,000           63,318,000
Cash dividends declared on preferred stock       0     0 0 0 0 (23,000)           (23,000)
Equity incentive program       0     1,000 245,000 0 0 0           246,000
Stock issued for profit sharing plan       0     0 71,000 0 0 0           71,000
Contribution of 401(k) match       0     0 957,000 1,496,000 0 0           2,453,000
Purchase treasury stock       0     0 0 (33,030,000) 0 0           (33,030,000)
Change in pension and postretirement benefits, net of tax expense (benefit) of $7,050, $5,772 and ($1,628), respectively       0     0 0 0 (4,892,000) 0           (4,892,000)
Balance at Mar. 31, 2024       351,000     3,050,000 100,425,000 (200,107,000) (25,380,000) 704,554,000           582,893,000
Preferred stock, shares outstanding (in shares)                       200,000 807,240 8,292      
Common stock, shares outstanding (in shares)                             5,400,429 1,659,411  
Net earnings       0     0 0 0 0 41,224,000           41,224,000
Cash dividends declared on preferred stock       0     0 0 0 0 (23,000) $ (3,000)         (23,000)
Equity incentive program       0     1,000 174,000 0 0 0           175,000
Stock issued for profit sharing plan       0     0 6,000 0 0 0           6,000
Contribution of 401(k) match       0     0 1,766,000 1,029,000 0 0           2,795,000
Purchase treasury stock       0     0 0 (11,591,000) 0 0           (11,591,000)
Change in pension and postretirement benefits, net of tax expense (benefit) of $7,050, $5,772 and ($1,628), respectively       0     0 0 0 17,544,000 0           17,544,000
Preferred stock conversion       (5,000)     0 5,000 0 0 0           0
Balance at Mar. 31, 2025       346,000     3,051,000 102,376,000 (210,669,000) (7,836,000) 745,755,000           633,023,000
Preferred stock, shares outstanding (in shares)                       200,000 807,240 7,891      
Common stock, shares outstanding (in shares)                             5,342,172 1,562,163  
Net earnings       0     0 0 0 0 114,674,000           114,674,000
Cash dividends declared on preferred stock       0     0 0 0 0 (23,000) $ (3,000)         (23,181)
Equity incentive program       0     1,000 246,000 0 0 0           247,000
Stock issued for profit sharing plan       0     0 3,000 0 0 0           3,000
Contribution of 401(k) match       0     0 2,502,000 689,000 0 0           3,191,000
Purchase treasury stock       0     0 0 (16,094,000) 0 0       $ (16,100,000)   (16,094,000)
Change in pension and postretirement benefits, net of tax expense (benefit) of $7,050, $5,772 and ($1,628), respectively       0     0 0 0 21,209,000 0           21,209,000
Preferred stock conversion       (15,000)     0 15,000 0 0 0           0
Balance at Mar. 31, 2026 $ 50,000 $ 202,000 $ 79,000 $ 331,000 $ 2,593,000 $ 459,000 $ 3,052,000 $ 105,142,000 $ (226,074,000) $ 13,373,000 $ 860,406,000           $ 756,230,000
Preferred stock, shares authorized (in shares)                       200,000 1,400,000 6,602      
Common stock, shares authorized (in shares)                             20,000,000 10,000,000  
Preferred stock, shares outstanding (in shares)                       200,000 807,240 6,602      
Common stock, shares outstanding (in shares)                             5,222,138 1,557,926