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Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of the year	$ 1.1	$ 1.2	$ 1.4
Additions for prior years’ tax positions	0.0	0.0	0.0
Reductions for prior years’ tax positions	0.0	0.0	0.0
Additions for settlements	0.0	0.0	0.0
Reductions for settlements	0.0	0.0	0.0
Reductions for expiration of statutes	(0.2)	(0.1)	(0.2)
Balance at end of the year	$ 0.9	$ 1.1	$ 1.2

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of unrecognized tax benefits.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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