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Commitments and Contingencies (Notes)
12 Months Ended
Feb. 29, 2020
Commitments and Contingencies Disclosure [Abstract]  
Commitments and contingencies Commitments and Contingencies
Legal
The Company and its subsidiaries are named defendants and plaintiffs in various routine lawsuits incidental to our business.  These proceedings include labor and employment claims, use of the Company’s intellectual property, worker’s compensation, environmental  matters, and various commercial disputes, all arising in the normal course of business.  Although the outcome of these lawsuits or other proceedings cannot be predicted with certainty, and the amount of any potential liability that could arise with respect to such lawsuits or other matters cannot be predicted at this time, management, after consultation with legal counsel believes it has strong defenses to all of these matters and does not expect liabilities, if any, from these claims or proceedings, either individually or in the aggregate, to have a material effect on the Company’s financial position, results of operations or cash flows. 
Commodity pricing
As of February 29, 2020, the Company had non-cancelable forward contracts of approximately $43.2 million to purchase zinc at various volumes and prices. All such contracts expire in fiscal 2021. The Company had no other contracted commitments for any other commodities including steel, aluminum, natural gas, cooper, zinc, nickel based alloys, except for those entered into under the normal course of business.
Other
As of February 29, 2020, the Company had outstanding letters of credit in the amount of $30.5 million. These letters of credit are issued for a number of reasons, but are most commonly issued in lieu of customer retention withholding payments covering warranty or performance periods. In addition, as of February 29, 2020, a warranty reserve in the amount of $3.7 million was established to offset any future warranty claims.