Note 4 Financial Instruments Note 4 Fair Value (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Apr. 02, 2016	Sep. 30, 2017
Additional Fair Value Elements [Abstract]
Fair Value of Long-term Debt Instrument		the fair value of the Company's long-term debt, as estimated based primarily on quoted prices (Level 2 input), was approximately 2% higher than its carrying amount.
Change in Amount of Contingent Consideration, Liability	$ 7.6

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479

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Balance Type:	debit
Period Type:	duration