Commitments and Contingencies

Legal Matters

The Company is involved in suits and claims in the normal course of business, including without limitation product liability and general liability claims, and claims pending before the Equal Employment Opportunity Commission. On at least a quarterly basis, the Company consults with its legal counsel to ascertain the reasonable likelihood that such claims may result in a loss. As required by ASC Topic 450, “Contingencies” (ASC 450), the Company categorizes the various suits and claims into three categories according to their likelihood for resulting in potential loss: those that are probable, those that are reasonably possible and those that are deemed to be remote. Where losses are deemed to be probable and estimable, accruals are made. Where losses are deemed to be reasonably possible, a range of loss estimates is determined and considered for disclosure. In determining these loss range estimates, the Company considers known values of similar claims and consultation with independent counsel.

The Company believes that the aggregate range of loss stemming from the various suits and asserted and unasserted claims which were deemed to be either probable or reasonably possible is not material as of April 30, 2018.

Product Warranty

The Company estimates outstanding warranty costs based on the historical relationship between warranty claims and revenues. The warranty accrual is reviewed monthly to verify that it properly reflects the remaining obligation based on the anticipated expenditures over the balance of the obligation period. Adjustments are made when actual warranty claim experience differs from estimates. Warranty claims are generally made within two months of the original shipment date.

The following is a reconciliation of the Company’s warranty liability:



	APRIL 30
(in thousands)	2018			2017
PRODUCT WARRANTY RESERVE
Beginning balance	$	3,262		$	2,926
Acquisition	119			—
Accrual for warranties	21,374			18,552
Settlements	(20,710		)	(18,216		)
Ending balance at fiscal year end	$	4,045		$	3,262

Lease Agreements

The Company leases certain office buildings, manufacturing buildings, service centers and equipment. Total rental expenses under operating leases amounted to approximately $17.0 million, $10.9 million and $9.8 million, in fiscal years 2018, 2017 and 2016, respectively. Minimum rental commitments as of April 30, 2018, under noncancellable leases with terms in excess of one year are as follows:



FISCAL YEAR	OPERATING (in thousands)		CAPITAL (in thousands)
2019	$	15,536	$	2,138
2020	15,416		1,889
2021	14,132		1,422
2022	9,321		750
2023	7,410		662
2024 (and thereafter)	32,026		828
	$	93,841	$	7,689
Less amounts representing interest (2% - 6.5%)			(444		)
Total obligations under capital leases			$	7,245

Related Parties

During fiscal 1985, prior to becoming a publicly held corporation, the Company entered into an agreement with a partnership which includes certain former executive officers and current significant shareholders of the Company to lease the Company’s headquarters building which was constructed and is owned by the partnership. The Company has subsequently renewed this lease in accordance with Company policy and procedures which includes approval by the Board of Directors. In considering the renewal of this lease, the Company assessed the lease terms in relation to market terms for comparable properties. Based upon this review, the Company believes that the rent under the lease was in line with market rates that could be obtained at arm’s length from unaffiliated third parties. In April 2017, the Company gave notice that it would be terminating the lease on May 31, 2018 and the lease was terminated on that date. Under this agreement, rental expense was $0.5 million, $0.5 million and $0.5 million, in fiscal years 2018, 2017 and 2016, respectively. As of April 30, 2018 rent due during the remaining term of the lease is approximately $43 thousand (included in the preceding table).