Commitments and Contingencies (Narrative) (Details) $ in Millions			1 Months Ended	12 Months Ended			69 Months Ended
	May 13, 2021 USD ($)	Oct. 21, 2019 USD ($)	Jan. 31, 2014 USD ($)	Apr. 02, 2021 USD ($)	Apr. 03, 2020 USD ($)	Mar. 29, 2019 USD ($)	Sep. 30, 2012 USD ($)
Loss Contingencies [Line Items]
Total net revenues				$ 2,551.0	$ 2,490.0	$ 2,456.0
GSA Schedule Contract
Loss Contingencies [Line Items]
Total net revenues							$ 222.0
Estimated damage		$ 1,090.0	$ 145.0
Estimated loss (low end)				$ 50.0
GSA Schedule Contract | Subsequent Event
Loss Contingencies [Line Items]
Litigation settlement payment	$ 0.5
GSA Schedule Contract | Minimum
Loss Contingencies [Line Items]
Estimated litigation payment as times of actual damages proven				1
GSA Schedule Contract | Maximum
Loss Contingencies [Line Items]
Estimated litigation payment as times of actual damages proven				3