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Acquisitions Purchase Price Allocation (Details) - USD ($) $ in Millions | Apr. 29, 2017 | Apr. 23, 2016
--- | --- | ---
Business Acquisition [Line Items] |  |
Accounts receivable | $ 8.9 | $ 16.9
Costs and estimated earnings in excess of billings | 2.6 | 22.3
Inventories and other current assets | 0.2 | 11.9
Property and equipment | 5.6 | 11.5
Goodwill | 10.3 | 41.2
Total assets | 38.1 | 200.1
Accounts payable | 3.3 | 23.7
Accrued and other liabilities | 3.4 | 21.0
Deferred tax liabilities, net non-current | 5.0 | 0.0
Total liabilities | 11.7 | 44.7
Net Assets Acquired | 26.4 | 155.4
Customer relationships |  |
Business Acquisition [Line Items] |  |
Intangible assets | 9.8 | 94.5
Trade names |  |
Business Acquisition [Line Items] |  |
Intangible assets | $ 0.7 | $ 1.8

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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition The amount of property, plant, and equipment recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=73531372&loc=d3e2207-128464 + Details
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