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Pre-production Costs Related to Long-Term Supply Arrangements
12 Months Ended
Apr. 30, 2016
Preproduction Costs Related to Long-term Supply Arrangements [Abstract]  
Pre-production Costs Related to Long-Term Supply Arrangements
Pre-Production Costs Related to Long-Term Supply Arrangements
 
We incur pre-production tooling costs related to products produced for our customers under long-term supply agreements.  We had $9.5 million and $10.5 million for fiscal year ended April 30, 2016 and May 2, 2015, respectively of pre-production tooling costs related to customer-owned tools for which reimbursement is contractually guaranteed by the customer or for which the customer has provided a non-cancelable right to use the tooling.  Engineering, testing and other costs incurred in the design and development of production parts are expensed as incurred, unless the costs are reimbursable, as specified in a customer contract. We had $8.0 million and $9.8 million for the fiscal year ended April 30, 2016 and May 2, 2015, respectively, of Company owned pre-production tooling, which is capitalized within property, plant and equipment.