The accordion feature under the debt agreement which allows for additional facility capacity.

No definition available.

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- Definition

The period in which the lender has the ability to call the debt.

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The amount of demand overdraft lines of credit available under the credit agreement, for specified time periods each year.

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The maximum amount of debt guaranteed by the Company's U.S. parent company.

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The maximum amount available for the issuance of letters of credit under the credit facility.

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- Definition

Represents the amount of debt reserved future foreign acquisitions.

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Represents the redemption price as a percentage of the principal amount at which the debt instrument may be required to be redeemed in the event of a change of control.

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No definition available.

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Represents the redemption price as a percentage of the principal amount at which the debt instrument may be required to be repurchased in the event of certain asset sales.

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No definition available.

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Represents the percentage of the aggregate principal amount of debt instruments that may be redeemed with net proceeds of certain equity offerings.

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No definition available.

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Number of facilities.

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No definition available.

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- Definition

Represents the ownership percentage of domestic subsidiaries guaranteeing debt of the Company.

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No definition available.

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

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Description of reference rate used for variable rate of debt instrument.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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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.

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No definition available.

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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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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.

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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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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Long-Term Debt - Other (Details) $ in Millions		6 Months Ended
Long-Term Debt - Other (Details) $ in Millions	Feb. 15, 2022	Jun. 30, 2022 USD ($) facility	Jun. 30, 2022 GBP (£)	Jun. 30, 2022 AUD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Outstanding debt		$ 1,486,000,000			$ 1,474,000,000
U.S. credit agreement — revolving credit line
Debt Instrument [Line Items]
Maximum credit available		800,000,000
Maximum amount available for letters of credit		50,000,000
Future borrowings available for foreign acquisitions		150,000,000
Outstanding debt		0			0
U.K. credit agreement — overdraft line of credit
Debt Instrument [Line Items]
Maximum credit available \| £			£ 52,000,000
Amount of demand overdraft lines of credit available during specified time periods each year \| £			40,000,000
Outstanding debt		0			0
U.K. credit agreement — revolving credit line
Debt Instrument [Line Items]
Maximum credit available \| £			150,000,000
Additional facility capacity under accordion feature \| £			£ 100,000,000
Outstanding debt		$ 0			0
Senior Subordinated Notes
Debt Instrument [Line Items]
Domestic Subsidiaries ownership guaranteeing obligations (as a percent)		100.00%	100.00%	100.00%
Change of control, redemption price as a percentage of principal		101.00%
Sale of assets, redemption price as percentage of principal		100.00%
3.50% senior subordinated notes due 2025
Debt Instrument [Line Items]
Outstanding debt		$ 545,400,000			544,700,000
Interest rate (as a percent)		3.50%	3.50%	3.50%
3.75% senior subordinated notes due 2029
Debt Instrument [Line Items]
Outstanding debt		$ 494,700,000			494,300,000
Interest rate (as a percent)		3.75%	3.75%	3.75%
Australia capital loan agreement
Debt Instrument [Line Items]
Maximum credit available				$ 50.0
Outstanding debt		$ 23,300,000			26,600,000
Number of facilities \| facility		2
Debt instrument, term		5 years
Call period		90 days
Maximum amount of debt guaranteed by the Company's U.S. parent company				50.0
Balance outstanding under credit agreement				33.8
Australia working capital loan agreement
Debt Instrument [Line Items]
Maximum credit available				50.0
Outstanding debt		$ 6,900,000		10.0	0
Debt instrument, term		1 year
Call period		90 days
Maximum amount of debt guaranteed by the Company's U.S. parent company				$ 50.0
Revolving Mortgage Facility
Debt Instrument [Line Items]
Maximum credit available		$ 225,000,000
Outstanding debt		35,000,000
Current borrowing capacity		178,000,000
Mortgage facilities
Debt Instrument [Line Items]
Outstanding debt		$ 366,900,000			$ 353,800,000
LIBOR \| U.S. credit agreement — revolving credit line
Debt Instrument [Line Items]
Line of credit basis spread on variable rate (as a percent)	1.50%
LIBOR \| Revolving Mortgage Facility
Debt Instrument [Line Items]
Line of credit basis spread on variable rate (as a percent)		1.50%
Australian BBSW 30-Day Bill Rate \| Australia capital loan agreement
Debt Instrument [Line Items]
Line of credit basis spread on variable rate (as a percent)		3.00%
Base rate of interest on loans		30-day Bill Rate
Australian BBSW 30-Day Bill Rate \| Australia working capital loan agreement
Debt Instrument [Line Items]
Line of credit basis spread on variable rate (as a percent)		3.00%
Base rate of interest on loans		30-day Bill Rate
Debt Instrument Redemption Period Prior To September 2022 \| 3.50% senior subordinated notes due 2025
Debt Instrument [Line Items]
Debt instrument, redemption price percentage		100.00%
Specified equity offerings, percentage of debt which may be redeemed		103.50%
Debt Redemption, Prior To June 12, 2024 \| 3.75% senior subordinated notes due 2029
Debt Instrument [Line Items]
Debt instrument, redemption price percentage		100.00%
Debt Instrument Redemption Period Prior To May2021 \| 3.75% senior subordinated notes due 2029
Debt Instrument [Line Items]
Specified equity offerings, percentage of debt which may be redeemed		103.75%
Minimum \| Sterling Overnight Index Average (SONIA) \| U.K. credit agreement — revolving credit line
Debt Instrument [Line Items]
Line of credit basis spread on variable rate (as a percent)		1.10%
Minimum \| Debt Instrument Redemption Period Prior To September 2022 \| 3.50% senior subordinated notes due 2025
Debt Instrument [Line Items]
Debt instrument, redemption price percentage		40.00%
Minimum \| Debt Instrument Redemption Period Prior To September 2022 \| 3.75% senior subordinated notes due 2029
Debt Instrument [Line Items]
Debt instrument, redemption price percentage		40.00%
Maximum \| Sterling Overnight Index Average (SONIA) \| U.K. credit agreement — revolving credit line
Debt Instrument [Line Items]
Line of credit basis spread on variable rate (as a percent)		2.10%