Contingencies and Environmental Remediation (Details) $ in Millions	Sep. 26, 2021 USD ($)
Litigation contingencies
Possible loss	$ 5.9
Gross unrecognized tax benefits	8.9
Increase in unrecognized tax benefits, that is reasonably possible	4.6
Minimum
Litigation contingencies
Decrease in unrecognized tax benefits, that is reasonably possible	2.0
Maximum
Litigation contingencies
Decrease in unrecognized tax benefits, that is reasonably possible	$ 2.4

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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