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

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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 incremental interest rate for uncollateralized borrowings in excess of a defined borrowing base.

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Represents the amount of debt reserved for future U.S. acquisitions.

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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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Number of facilities.

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

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

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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Face (par) amount of debt instrument at time of issuance.

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

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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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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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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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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. 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 (Details) £ in Millions, $ in Millions, $ in Millions		6 Months Ended
	Aug. 01, 2020 USD ($)	Jun. 30, 2020 AUD ($) item	Jun. 30, 2020 USD ($)	Jun. 30, 2020 GBP (£)	Dec. 31, 2019 USD ($)
Long Term Debt
Total long-term debt			$ 2,137.4		$ 2,360.3
Less: current portion			(83.3)		(103.3)
Net long-term debt			2,054.1		2,257.0
US Credit Agreement Revolving Credit Line
Long Term Debt
Total long-term debt					45.0
Increase in borrowing capacity	$ 100.0
Maximum credit available	800.0
Revolving loans solely for future U.S. acquisitions	250.0
Future borrowings available for foreign acquisitions	150.0
Maximum amount available for letters of credit	$ 50.0
Incremental interest rate for uncollateralized borrowings in excess of borrowing base (as a percent)	1.25%
Balance outstanding under credit agreement			0.0
US Credit Agreement Revolving Credit Line \| LIBOR
Long Term Debt
Base rate of interest on loans	1.75%
UK Credit Agreement Revolving Credit Line
Long Term Debt
Total long-term debt					165.8
Maximum credit available \| £				£ 150.0
Additional facility capacity under accordion feature \| £				100.0
Balance outstanding under credit agreement			$ 0.0
UK Credit Agreement Revolving Credit Line \| Minimum \| LIBOR
Long Term Debt
Line of credit basis spread on variable rate (as a percent)		1.10%
UK Credit Agreement Revolving Credit Line \| Maximum \| LIBOR
Long Term Debt
Line of credit basis spread on variable rate (as a percent)		2.10%
UK Credit Agreement Overdraft Line of Credit
Long Term Debt
Maximum credit available \| £				52.0
Amount of demand overdraft lines of credit available during specified time periods each year \| £				£ 40.0
Senior Subordinated Notes
Long Term Debt
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%
5.50% senior subordinated notes due 2026
Long Term Debt
Total long-term debt			$ 496.1		$ 495.7
Interest rate (as a percent)		5.50%	5.50%	5.50%	5.50%
Principal amount			$ 500.0
5.50% senior subordinated notes due 2026 \| Debt Redemption Prior to May 15, 2021
Long Term Debt
Interest rate (as a percent)		5.50%	5.50%	5.50%
Percentage of principal amount at which the entity may redeem the notes		100.00%
5.50% senior subordinated notes due 2026 \| Debt Instrument Redemption Period On or After May 15, 2021
Long Term Debt
Interest rate (as a percent)		5.50%	5.50%	5.50%
5.375% senior subordinated notes due 2024
Long Term Debt
Total long-term debt			$ 298.3		$ 298.0
Interest rate (as a percent)		5.375%	5.375%	5.375%	5.375%
Principal amount			$ 300.0
5.375% senior subordinated notes due 2024 \| Debt Instrument Redemption Period On or After December 1, 2019
Long Term Debt
Interest rate (as a percent)		5.375%	5.375%	5.375%
5.75% senior subordinated notes due 2022
Long Term Debt
Total long-term debt			$ 548.1		$ 547.6
Interest rate (as a percent)		5.75%	5.75%	5.75%	5.75%
Principal amount			$ 550.0
3.75% senior subordinated notes due 2020
Long Term Debt
Total long-term debt			$ 299.9		$ 299.2
Interest rate (as a percent)		3.75%	3.75%	3.75%	3.75%
Principal amount			$ 300.0
Australia capital loan agreement
Long Term Debt
Total long-term debt			30.5		$ 31.7
Maximum credit available		$ 50.0
Debt 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		$ 44.2	30.5
Number of facilities \| item		2
Australia capital loan agreement \| Australian BBSW 30-Day Bill Rate
Long Term Debt
Base rate of interest on loans		30-day Bill Rate
Line of credit basis spread on variable rate (as a percent)		3.00%
Australia working capital loan agreement
Long Term Debt
Maximum credit available		$ 50.0
Debt term		1 year
Call period		90 days
Maximum amount of debt guaranteed by the Company's U.S. parent company		$ 50.0
Australia working capital loan agreement \| Australian BBSW 30-Day Bill Rate
Long Term Debt
Base rate of interest on loans		30-day Bill Rate
Line of credit basis spread on variable rate (as a percent)		3.00%
Mortgage facilities
Long Term Debt
Total long-term debt			417.0		423.2
Balance outstanding under credit agreement			417.0
Other debt
Long Term Debt
Total long-term debt			$ 47.5		$ 54.1