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Summary of Significant Accounting Policies - Revenue Recognition (Details) $ in Millions	12 Months Ended
	Dec. 25, 2021 USD ($) distributionChannels	Dec. 26, 2020 USD ($)
Disaggregation of Revenue [Line Items]
Number of distribution channels | distributionChannels	2
Remaining performance obligations	$ 7.8
Contract assets	0.9	$ 3.7
Contract liabilities	24.2	$ 22.2
Revenue recognized on contract liabilities	$ 17.8
Minimum
Disaggregation of Revenue [Line Items]
Revenue, performance obligation, description of timing	one
Maximum
Disaggregation of Revenue [Line Items]
Revenue, performance obligation, description of timing	three years

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Number of Distribution Channels

+ References

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Section 45
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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 606
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-URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044

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Description of timing for satisfying performance obligation in contract with customer. Includes, but is not limited to, as services are rendered, and upon shipment, delivery or completion of service.

+ References

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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