Leases of Lessess (Tables)

6 Months Ended

Sep. 30, 2021

Leases of Lessees [Abstract]

Schedule of supplemental balance sheet information related to leases [Table Text Block]

The following table sets forth the right-of-use assets and lease liabilities for operating leases included in the Company’s consolidated balance sheet:

(in thousands of dollars)	September 30, 2021		September 30, 2020		March 31, 2021
Assets
Operating lease right-of-use assets	$	33,790	$	35,665	$	31,230
Liabilities
Current portion of operating lease liabilities	$	8,985	$	9,105	$	7,898
Long-term operating lease liabilities	22,530		22,813		19,725
Total operating lease liabilities	$	31,515	$	31,918	$	27,623

Schedule of supplemental income statement information related to leases [Table Text Block]

The following table sets forth the location and amount of operating lease costs included in the Company's consolidated statement of income:

	Three Months Ended September 30,				Six Months Ended September 30,
(in thousands of dollars)	2021		2020		2021		2020
Income Statement Location
Cost of goods sold	$	2,721	$	3,219	$	5,299	$	6,130
Selling, general, and administrative expenses	2,261		2,466		4,566		4,656
Total operating lease costs(1)	$	4,982	$	5,685	$	9,865	$	10,786

(1)Includes variable operating lease costs.

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The following table reconciles the undiscounted cash flows to the operating lease liabilities in the Company’s consolidated balance sheet:

(in thousands of dollars)	September 30, 2021
Maturity of Operating Lease Liabilities
2022 (excluding the six months ended September 30, 2021)	$	5,287
2023	8,752
2024	6,765
2025	4,856
2026	2,719
2027 and thereafter	7,592
Total undiscounted cash flows for operating leases	$	35,971
Less: Imputed interest	(4,456)
Total operating lease liabilities	$	31,515

Supplemental information related to operating leases [Table Text Block]

The following table sets forth supplemental information related to operating leases:

	Three Months Ended September 30,				Six Months Ended September 30,
(in thousands, except lease term and incremental borrowing rate)	2021		2020		2021			2020
Supplemental Cash Flow Information
Cash paid for amounts included in the measurement of operating lease liabilities	$	2,840	$	3,159	$	5,617		$	6,187
Right-of-use assets obtained in exchange for new operating leases	6,310		567		9,051			1,590
Weighted Average Remaining Lease Term (years)					5.51			5.55
Weighted Average Collateralized Incremental Borrowing Rate					4.02		%	4.02		%