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Financial Instruments (Narrative) (Details) $ in Millions			9 Months Ended
	Oct. 27, 2020 USD ($)	Nov. 07, 2017 USD ($)	Sep. 30, 2021 USD ($)	Sep. 16, 2021 USD ($)	Jun. 16, 2021	Jun. 14, 2021 USD ($)	Nov. 28, 2017 USD ($)	Nov. 27, 2017 USD ($)
Debt Instrument [Line Items]
Minimum interest coverage ratio required			3.00
Leverage ratio			1.07
Interest coverage ratio			14.51
Maximum leverage ratio allowed			3.50
Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 700.0	$ 685.0
Debt instrument, term	4 years	5 years
Borrowings outstanding			$ 350.0
Basis spread on variable rate			1.625%
Line of credit facility, remaining borrowing capacity			$ 350.0
Line of Credit | Interest Rate Swap
Debt Instrument [Line Items]
Revolving credit borrowings								$ 300.0
Amount received from terminate agreement								$ 6.3
Derivative, fixed interest rate						0.838%	2.11%
Derivative, notional amount				$ 350.0		$ 350.0	$ 350.0
LIBOR rate				3.735%
Line of Credit | Interest Rate Swap | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Derivative, basis spread on variable rate				0.09%	0.09%
Line of Credit | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate			1.50%
Line of Credit | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate			2.00%

X

- Definition

Amount received from terminate agreement.

+ References

No definition available.

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- Definition

Interest Coverage Ratio.

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No definition available.

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate.

+ References

No definition available.

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- Definition

Leverage Ratio.

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- Definition

Covenant, Maximum Leverage Ratio.

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- Definition

Covenant, Minimum Interest Coverage Ratio.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

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- Definition

Fixed interest rate related to the interest rate derivative.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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X

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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