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Commitments and Contingencies | 6 Months Ended
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Oct. 31, 2015
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingencies | Note 10. Commitments and Contingencies Litigation: We are a party to legal proceedings and claims which arise during the ordinary course of business. We review our legal proceedings and claims; regulatory reviews and inspections; and other legal matters on an ongoing basis and follow appropriate accounting guidance when making accrual and disclosure decisions. We establish accruals for those contingencies when the incurrence of a loss is probable and can be reasonably estimated, and we disclose the amount accrued and the amount of a reasonably possible loss in excess of the amount accrued, if such disclosure is necessary for our financial statements to not be misleading. We do not record an accrual when the likelihood of loss being incurred is probable, but the amount cannot be reasonably estimated, or when the loss is believed to be only reasonably possible or remote, although disclosures will be made for material matters as required by ASC 450-20, Loss Contingencies. Our assessment of whether a loss is reasonably possible or probable is based on our assessment and consultation with legal counsel regarding the ultimate outcome of the matter following all appeals. As of October 31, 2015 and May 2, 2015, we did not believe there was a reasonable probability any material loss for these various claims or legal actions, including reviews, inspections or other legal proceedings, if any, will be incurred. Accordingly, no accrual or disclosure of a potential range of loss has been made related to these matters. In the opinion of management, the ultimate liability of all unresolved legal proceedings is not expected to have a material effect on our financial position, liquidity or capital resources. Warranties: We offer a standard parts coverage warranty for periods varying from one to five years for most of our products. We also offer additional types of warranties to include on-site labor, routine maintenance and event support. In addition, the terms of warranties on some installations can vary from one to 10 years. The specific terms and conditions of these warranties vary primarily depending on the type of the product sold. We estimate the costs which may be incurred under the warranty obligations and record a liability in the amount of such estimated costs at the time the revenue is recognized. Factors affecting our estimate of the cost of our warranty obligations include historical experience and expectations of future conditions. We continually assess the adequacy of our recorded accrued warranty obligations and, to the extent we experience any changes in warranty claim activity or costs associated with servicing those claims, our warranty obligations are adjusted accordingly. During fiscal year 2016, we increased accrued warranty obligations by $3,180 for estimable and probable costs for an issue in our Commercial business unit for our OOH product application previously not anticipated in accrued warranty obligations . We will monitor the reserves for this issue and adjust accordingly. Changes in our warranty obligation for the six months ended October 31, 2015 consisted of the following:
|  |  | Amount
Beginning accrued warranty obligations |  |  | $ | 26,481 |
Warranties issued during the period |  |  | 7,009 |
Settlements made during the period |  |  | (9,540 | )
Changes in accrued warranty obligations for pre-existing warranties during the period, including expirations |  |  | 4,514 |
Ending accrued warranty obligations |  |  | $ | 28,464 |
Performance guarantees: We have entered into standby letters of credit and surety bonds with financial institutions relating to the guarantee of our future performance on contracts, primarily construction type contracts. As of October 31, 2015, we had outstanding letters of credit and surety bonds in the amount of $13,035 and $68,615, respectively. Performance guarantees are issued to certain customers to guarantee the operation and installation of the equipment and our ability to complete a contract. These performance guarantees have various terms, which are generally one year. Leases: We lease vehicles, office space and various equipment for various sales and service locations throughout the world, including manufacturing space in the United States and China. Some of these leases, including the lease for manufacturing facilities in Sioux Falls, South Dakota, include provisions for extensions or purchase. The lease for the facilities in Sioux Falls, South Dakota can be extended for an additional three years past its current term, which ends December 31, 2016, and it contains an option to purchase the property subject to the lease from January 1, 2015 to December 31, 2016 for $8,400, which approximates fair value. If the lease is extended, the purchase option increases to $8,600 for the year ending December 31, 2017 and $8,800 for the year ending December 31, 2018. Rental expense for operating leases was $1,311 and $1,392 for the six months ended October 31, 2015 and November 1, 2014, respectively. Future minimum payments under noncancelable operating leases, excluding executory costs such as management and maintenance fees, with initial or remaining terms of one year or more consisted of the following at October 31, 2015:
Fiscal years ending |  | Amount
2016 |  | $ | 1,330 |
2017 |  | 1,573 |
2018 |  | 473 |
2019 |  | 85 |
2020 |  | 38 |
|  | $ | 3,499 |
Purchase commitments: From time to time, we commit to purchase inventory, advertising, information technology maintenance and support services, and various other products and services over periods that extend beyond one year. As of October 31, 2015, we were obligated under the following conditional and unconditional purchase commitments, which included $600 in conditional purchase commitments:
Fiscal years ending |  | Amount
2016 |  | $ | 1,323 |
2017 |  | 1,090 |
2018 |  | 295 |
2019 |  | 100 |
2020 |  | — |
|  | $ | 2,808 |

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