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Taxes - Significant Differences Between United States Federal Statutory Tax Rate and Company's Effective Tax Rate (Details)
12 Months Ended
Apr. 01, 2017
Apr. 02, 2016
Mar. 28, 2015
Income Tax Disclosure [Abstract]      
Provision for income taxes at the U.K. (2017), U.S. (2015-2016) statutory tax rate 20.00% 35.00% 35.00%
State and local income taxes, net of federal benefit 1.30% 1.20% 2.40%
Effects of global financing arrangements (13.70%) (2.80%) (2.80%)
Differences in tax effects on foreign income 11.10% (5.10%) (5.40%)
Foreign tax credit 0.30% (0.20%) (0.40%)
Liability for uncertain tax positions 0.00% 0.00% 0.20%
Effect of changes in valuation allowances on deferred tax assets 0.50% (0.20%) (0.10%)
Other 0.40% 0.60% 0.90%
Effective tax rate 19.90% 28.50% 29.80%