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
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Revenue Recognition - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Dec. 29, 2019
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	$ 646.8
Revenue recognized	14.3	$ 15.9
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Contract assets	181.0		$ 179.4
Unbilled Revenues \| T for C
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Contract assets	11.5		11.5
Unbilled Revenues \| International Customer
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Contract assets	$ 10.0		$ 10.0