Revenue Recognition - Contract Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 26, 2021	Dec. 27, 2020
Revenue from Contract with Customer [Abstract]
Contract assets - current	$ 286.9	$ 284.4
Contract assets - long term	104.2	77.0
Total	391.1	361.4
Contract liabilities - current	114.1	161.0
Contract liabilities - long term	7.1	18.2
Total	$ 121.2	$ 179.2

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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