v3.26.1
Segment Information - Financial Information Relating to Segments (Details)
 12 Months Ended
Mar. 31, 2026
USD ($)
Segment
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Segment Information [Abstract]      
Net sales $ 789,806,000 $ 757,354,000 $ 717,684,000
Foreign exchange impact of lease liabilities and forward contracts 8,924,000 (15,892,000) 3,814,000
Operating (loss) income 65,835,000 39,923,000 46,120,000
Interest expense, net (46,696,000) (55,550,000) (60,040,000)
Change in fair value of compound net derivative liability 1,130,000 (60,000) 1,020,000
Loss on extinguishment of debt 0 0 (168,000)
Total consolidated income (loss) before income tax expense 20,269,000 (15,687,000) (13,068,000)
Capital expenditures 3,696,000 4,578,000 1,000,000
Segment assets $ 1,019,437,000 957,636,000  
Number of operating segments not meeting quantitative thresholds | Segment 2    
Segment reporting, other segment item, composition, description Other segment items include general and administrative expenses, sales and marketing expenses, and research and development expenses.    
Operating Segments [Member]      
Segment Information [Abstract]      
Depreciation and amortization $ 9,788,000 10,400,000 11,619,000
Intersegment Sales [Member]      
Segment Information [Abstract]      
Net sales (701,000) (1,016,000) (895,000)
Operating (loss) income 37,000 71,000 51,000
Segment assets (72,922,000) (67,897,000)  
Hard Parts [Member] | Operating Segments [Member]      
Segment Information [Abstract]      
Net sales 741,944,000 708,226,000 670,799,000
Material, labor, and overhead expenses [1] 460,623,000 465,656,000 450,913,000
Logistic expenses [1],[2] 131,205,000 99,264,000 92,969,000
Revaluation of cores on customers’ shelves [1] 3,590,000 2,805,000 5,353,000
Foreign exchange impact of lease liabilities and forward contracts [1] (8,924,000) 15,892,000 (3,814,000)
Other segment items [1],[3] 88,028,000 83,693,000 76,878,000
Operating (loss) income [1] 67,422,000 40,916,000 48,500,000
Depreciation and amortization [4] 8,454,000 9,579,000 10,371,000
Capital expenditures 2,136,000 3,445,000 621,000
Segment assets 1,037,721,000 967,178,000  
Hard Parts [Member] | Operating Segments [Member] | External Customers [Member]      
Segment Information [Abstract]      
Net sales 741,243,000 707,210,000 669,904,000
Hard Parts [Member] | Intersegment Sales [Member]      
Segment Information [Abstract]      
Net sales 701,000 1,016,000 895,000
All Other [Member] | Operating Segments [Member]      
Segment Information [Abstract]      
Net sales [5] 48,563,000 50,144,000 47,780,000
Operating (loss) income [5] (1,624,000) (1,064,000) (2,431,000)
Depreciation and amortization [5] 1,334,000 821,000 1,248,000
Capital expenditures [5] 1,560,000 1,133,000 $ 379,000
Segment assets [5] $ 54,638,000 $ 58,355,000  
[1] The significant expense categories and amounts align with the segment-level information that is regularly provided to the CODM for the Company’s Hard Parts reportable segment. Intersegment expenses are included within the amounts shown.
[2] Logistic expenses include freight, tariffs, and customs duties.
[3] Other segment items include general and administrative expenses, sales and marketing expenses, and research and development expenses.
[4] Depreciation and amortization for the Company’s Hard Parts reportable segment are included within material, labor, and overhead expenses and other segment items.
[5] Net sales, operating loss, depreciation and amortization, capital expenditures, and assets from segments below the quantitative threshold are attributable to the Company’s Test Solutions and Diagnostic Equipment and the Heavy Duty operating segments. Neither of these two operating segments has ever met any of the quantitative thresholds for determining reportable segments.