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Summary of Significant Accounting Policies (Details 1) - shares
shares in Millions
3 Months Ended 6 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Sep. 30, 2017
Oct. 01, 2016
Summary of basic and diluted shares        
Basic shares 81.7 82.7 81.6 83.0
Dilutive effect of stock options and RSUs 0.6 0.5 0.8 0.7
Diluted shares 82.3 83.2 82.4 83.7
Summary of Significant Accounting Policies (Textual) [Abstract]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount     2.3 2.6