11. Commitments, guarantees and contingencies

Guarantees and indemnification obligations

Our standard OEM and supply agreements entered in the ordinary course of business typically contain an indemnification provision pursuant to which we indemnify, hold harmless, and agree to reimburse the indemnified party for losses suffered or incurred by the indemnified party in connection with any U.S. patent or any copyright or other intellectual property infringement claim by any third party with respect to our products. Such provisions generally survive termination or expiration of the agreements. The potential amount of future payments we could be required to make under these indemnification provisions is, in some instances, unlimited. Our costs to defend lawsuits or settle claims related to these indemnification agreements have been insignificant to date, and we are not currently party to any significant indemnification claims. As a result, we believe that our estimated exposure on these agreements is currently minimal. Accordingly, we have no liabilities recorded for these agreements as of July 31, 2017.

Generally, we warrant that our products will perform in all material respects in accordance with our standard published specifications in effect at the time of delivery of the products to the customer for a period ranging from 12 to 60 months from the date of delivery. We provide for the estimated cost of product and service warranties based on specific warranty claims, claim history, and engineering estimates, where applicable.

The following table presents our accrued warranty liability for fiscal years 2017 and 2016:

	As of			As of
	July 31,			July 31,
(in millions)	2017			2016
Beginning balance	$	6.3		$	6.6
Provision		4.0			5.7
Warranty activity during the period		(5.0	)		(6.0	)
Ending balance	$	5.3		$	6.3

At July 31, 2017 and 2016, we had deferred revenue for extended product warranty contracts of $0.4 million and $0.2 million, respectively.

Revolving credit agreements

On November 23, 2015, we entered into a five-year revolving credit agreement, or Credit Agreement, with the financial institutions identified therein as lenders, which included JPMorgan Chase Bank, N.A., TD Bank, N.A., Wells Fargo Bank, N.A., HSBC Bank, N.A., and People’s United Bank, N.A. Effective August 25, 2017, HSBC exited the Credit Agreement, and was replaced with Citibank. The Credit Agreement provides $100.0 million in available credit and expires on November 23, 2020, when all outstanding borrowings must be paid in full. The credit facility does not require amortization of principal and may be reduced before maturity in whole or in part at our option without penalty. Upon entry into the Credit Agreement, we terminated without penalty a $100.0 million five-year, revolving credit agreement entered into on October 11, 2011 and previously paid in full in accordance with its terms. Borrowings under the Credit Agreement may be used for general corporate purposes, including permitted acquisitions. The amount of available credit can be increased under specified circumstances up to $200.0 million in aggregate. We are the sole borrower under the Credit Agreement. The obligations under the credit facility are guaranteed as required to be by our material domestic subsidiaries as designated by us from time to time or as required under the Credit Agreement. There are no pledges of the capital stock or assets of our international subsidiaries.

Interest rates on borrowings outstanding under the credit facility range from 1.25% to 1.75% above the LIBOR rate, or, at our option range from 0.00% to 1.00% above a defined base rate, the amount in each case varying based upon our leverage ratio. A quarterly commitment fee ranging from 0.20% to 0.35% per annum is applicable on the undrawn portion of the credit facility, based upon our leverage ratio.

The Credit Agreement limits our and our subsidiaries’ ability to, among other things: incur additional indebtedness; incur liens or guarantee obligations; pay dividends or make other distributions; make investments; dispose of assets; and engage in transactions with affiliates except on an arms-length basis. In addition, the Credit Agreement requires us to maintain the following financial ratios:

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A leverage ratio, defined as consolidated funded indebtedness to consolidated trailing four quarters earnings before interest, taxes, depreciation and amortization, or EBITDA, with the adjustments as stipulated in the Credit Agreement, of no greater than 2.75:1.00 (with a temporary step-up in the event of certain acquisitions); and

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An interest coverage ratio, defined as the ratio of consolidated trailing four quarters adjusted EBITDA to consolidated interest charges of no less than 3.00:1.00 at any time.

As of July 31, 2017, our leverage ratio was 0.004:1.00 and our interest coverage ratio was not applicable as we had no attributable interest expense. As of July 31, 2017, we were in full compliance with all financial and operating covenants contained in the Credit Agreement.

Any failure to comply with the financial or operating covenants of the credit facility would prevent us from being able to borrow and would also constitute a default, permitting the lenders to, among other things, accelerate repayment of outstanding borrowings, including all accrued interest and fees, and to terminate the credit facility. A change in control, as defined in the Credit Agreement, would also constitute an event of default, permitting the lenders to accelerate repayment and terminate the Credit Agreement.

In connection with entering into the Credit Agreement, we incurred approximately $0.5 million of transactions costs, which are being amortized over the five-year life of the credit facility.

As of both July 31, 2017 and 2016, we had approximately $1.2 million in other revolving credit facilities with banks available for direct borrowings.

We did not have any borrowing outstanding under any of our credit facilities at July 31, 2017 and 2016, respectively.

Asset retirement obligations, or ARO

As of July 31, 2017 and 2016, we had an ARO for the estimated future costs associated with restoring our leased facilities with a carrying value of $1.3 million and $1.1 million, included in other liabilities in our Consolidated Balance Sheets. During fiscal years 2017 and 2016, we recorded an insignificant amount of accretion and foreign currency translation related to the ARO.

Legal claims

We are subject to litigation, claims, investigations and audits arising from time to time in the ordinary course of our business. Although legal proceedings are inherently unpredictable, we believe that we have valid defenses with respect to those matters currently pending against us and intend to defend ourselves vigorously. The outcome of these matters, individually and in the aggregate, is not expected to have a material impact on our cash flows, results of operations, or financial position. We record losses when estimable and probable in accordance with U.S. GAAP.

On January 3, 2017, the Company's subsidiary Ultrasonix Medical Corporation ("UMC") received a notice of civil claim as a defendant. The lawsuit relates to the lease of a corporate office in Burnaby, British Columbia, of which UMC never took possession. The lawsuit claims that UMC is indebted to the landlord for unpaid and accelerated rent in an amount of approximately CAD 1.0 million, plus costs, plus interest on unpaid rent commencing in April 2014. In June 2017, the Company reached a settlement of the matter, in which the Company agreed to pay CAD 0.775 million ($0.6 million) in full satisfaction of all matters in dispute. The $0.6 million settlement amount was recorded in general and administrative expenses in fiscal year 2017.

On July 31, 2017, twenty-four former interest-holders of Oncura Partners Diagnostics, LLC (“Plaintiffs”) filed suit in the District Court of Travis County, Texas against Analogic Corporation (“Analogic”) and Oncura Partners Diagnostics, LLC (“Oncura”) (together “Defendants”) alleging claims arising out of Analogic’s acquisition of Oncura from Plaintiffs in 2016. Plaintiffs assert claims for breach of contract, anticipatory repudiation, fraud, negligent misrepresentation, breach of implied duty of good faith and fair dealing, unjust enrichment, and declaratory judgement; they seek unspecified damages in excess of $1 million. On August 25, 2017, Defendants timely removed the action to federal court in Texas and the case was subsequently transferred on consent to the United States District Court for the Southern District of New York. While it is reasonably possible that we may incur a loss in connection with this matter, we are unable at this time to provide an estimate of a possible loss or range of possible losses, given the early stage of this matter.