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Amount of short-term and long-term debt and lease obligation.

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Debt (Additional Information) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019	Dec. 28, 2019
Debt Instrument [Line Items]
Repayments of Debt	$ 21.0
Current maturities of long-term debt	162.5	$ 10.0	$ 162.5	$ 10.0	$ 12.5
Borrowings under revolving credit agreements	0.0	493.3	0.0	493.3	360.0
Amortization of deferred financing costs	0.9	0.4	2.0	1.2
Debt Issuance Costs, Noncurrent, Net	8.4	4.3	8.4	4.3	4.1
Total debt	876.6	934.0	876.6	934.0	798.4
Maximum [Member]
Debt Instrument [Line Items]
Aggregate principal amount debt instrument	1,750.0		$ 1,750.0
Alternative Base Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			1.00%
Alternative Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			0.125%
Euro Currency Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			2.00%
Euro Currency Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			1.125%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Aggregate principal amount debt instrument	800.0		$ 800.0
Outstanding letters of credit	6.0	3.9	6.0	3.9	5.7
Foreign Currency Subfacility [Member]
Debt Instrument [Line Items]
Revolving credit facility amount	200.0		200.0
Swingline Subfacility [Member]
Debt Instrument [Line Items]
Revolving credit facility amount	50.0		50.0
Letter of Credit Subfacility [Member]
Debt Instrument [Line Items]
Revolving credit facility amount	50.0		50.0
Foreign Line of Credit [Member]
Debt Instrument [Line Items]
Revolving credit facility amount	4.0		4.0
Borrowings under revolving credit agreements	0.0	0.3	0.0	0.3	0.0
September First Two Thousand Twenty Six [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	250.0	250.0	250.0	250.0	250.0
Aggregate principal amount debt instrument	$ 250.0		$ 250.0
Interest rate	5.00%		5.00%
December Sixth Two Thousand Twenty Three [Domain] \| Term Loan A [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 185.0	195.0	$ 185.0	195.0	192.5
Aggregate principal amount debt instrument	$ 200.0		$ 200.0
Weighted average interest rate	3.78%		3.78%
May Fourth Two Thousand Twenty One [Domain] \| Term Loan A [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 150.0	0.0	$ 150.0	0.0	0.0
Aggregate principal amount debt instrument	171.0		171.0
May Fifteenth Two Thousand Twenty Five [Domain] \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 300.0	$ 0.0	$ 300.0	$ 0.0	$ 0.0
Interest rate	6.375%		6.375%