Commitments and Contingent Liabilities

Guarantees:

Standby letters of credit were issued to lessors and insurance institutions and can only be drawn upon in the event of our failure to pay our obligations to a beneficiary. As of September 30, 2017, we had a maximum financial exposure from unused standby letters of credit totaling $1.2 million.

We are not aware of circumstances that would require us to perform under these arrangements and believe that the resolution of any claims that might arise in the future, either individually or in the aggregate, would not materially affect our consolidated financial statements. Accordingly, no liability has been recorded as of September 30, 2017 with respect to the standby letters of credit. We also enter into commercial letters of credit to facilitate payments to vendors and from customers.

Product Warranties:

We estimate product warranty liability at the time of sale based on historical repair or replacement cost trends in conjunction with the length of the warranty offered. Management refines the warranty liability periodically based on changes in historical cost trends and in certain cases where specific warranty issues become known.

Changes in the product warranty accrual for the three months ended September 30, 2017 and 2016 were as follows:



	Three Months Ended
	September 30
(Amounts in Thousands)	2017			2016
Product Warranty Liability at the beginning of the period	$	1,992		$	2,351
Additions to warranty accrual (including changes in estimates)	313			213
Settlements made (in cash or in kind)	(146		)	(306		)
Product Warranty Liability at the end of the period	$	2,159		$	2,258

Other Contingency:

The U.S. government, as well as state and local governments, can typically terminate or modify their contracts with us either at their discretion or if we default by failing to perform under the terms of the applicable contract, which could expose us to liability. The failure to comply with regulatory and contractual requirements could subject us to investigations, fines, or other penalties, and violations of certain regulatory and contractual requirements could also result in us being suspended or debarred from future government contracting.

In March 2016, in connection with a renewal of one of our contracts, we became aware of noncompliance and inaccuracies in our General Services Administration (“GSA”) subcontractor reporting. Accordingly, we retained outside legal counsel to assist in conducting an internal review of our reporting practices, and we self-reported the matter and the results of the internal review to the GSA. We have promptly responded to inquiries from the GSA since our initial reporting, have met with government officials as requested on two occasions, and intend to cooperate fully with any further inquiries or investigations. While we are not able to reasonably estimate the future financial impact, if any, of the possible sanctions at this time, any of them could, if imposed, have a material adverse impact on our business, future financial position, results of operations, or cash flows. The timing of the government’s review and determination of any outcome of these matters is uncertain. We have incurred, and will continue to incur, legal and related costs in connection with our internal review and the government’s response to this matter. During the first three months of fiscal year 2018, sales related to our GSA contracts were approximately 9.1% of our consolidated sales, with one contract accounting for approximately 6.4% of our consolidated sales and the other contract accounting for approximately 2.7% of our consolidated sales.