XML 50 R39.htm IDEA: XBRL DOCUMENT v3.23.3

Lease Accounting (Tables)

9 Months Ended

Sep. 30, 2023

Leases [Abstract]

Schedule of Leases Reflected on Balance Sheet

Leases are reflected in the following balance sheet accounts:

(Millions of dollars)			Classification						September 30, 2023						December 31, 2022
Assets
Operating (Right-of-use)			Operating lease right-of-use assets, net						$	451.9					$	449.6
Finance			Property, plant, and equipment, at cost, less accumulated depreciation of $38.9 at September 30, 2023 and $30.5 at December 31, 2022						116.3						124.6
Total leased assets									$	568.2					$	574.2
Liabilities
Current
Operating			Trade accounts payable and accrued liabilities						$	21.6					$	20.5
Finance			Current maturities of long-term debt						11.0						11.0
Noncurrent
Operating			Non-current operating lease liabilities						449.8						444.2
Finance			Long-term debt, including capitalized lease obligations						117.3						122.6
Total lease liabilities									$	599.7					$	598.3

Schedule of Lease Cost, Cash flow Information, Lease Term and Discount Rate

Lease Cost:

												Three Months Ended September 30,												Nine Months Ended September 30,
(Millions of dollars)						Classification						2023						2022						2023						2022
Operating lease cost						Store and other operating expenses						$	14.2					$	13.6					$	40.8					$	38.1
Finance lease cost
Amortization of leased assets						Depreciation and amortization						3.8						4.0						11.4						11.9
Interest on lease liabilities						Interest expense						2.1						2.2						6.7						6.8
Net lease costs												$	20.1					$	19.8					$	58.9					$	56.8

Cash flow information:

									Nine Months Ended September 30,
(Millions of dollars)									2023						2022
Cash paid for amounts included in the measurement of liabilities
Operating cash flows from operating leases									$	37.6					$	33.8
Operating cash flows from finance leases									$	6.7					$	6.8
Financing cash flows from finance leases									$	8.6					$	8.4

Lease Term and Discount Rate:

									Nine Months Ended September 30,
									2023
Weighted average remaining lease term (years)
Finance leases									12.4
Operating leases									15.2
Weighted average discount rate
Finance leases									6.7		%
Operating leases									6.5		%

Schedule of Finance Lease Liability Maturity

Maturity of Lease Liabilities at September 30, 2023:

(Millions of dollars)						Operating leases						Finance leases
2023						$	12.9					$	4.9
2024						52.2						18.8
2025						51.1						17.7
2026						50.4						16.5
2027						49.6						15.8
After 2027						568.4						122.2
Total lease payments						784.6						195.9
less: interest						313.2						67.6
Present value of lease liabilities						$	471.4					$	128.3

Schedule of Operating Lease Liability Maturity

Maturity of Lease Liabilities at September 30, 2023:

(Millions of dollars)						Operating leases						Finance leases
2023						$	12.9					$	4.9
2024						52.2						18.8
2025						51.1						17.7
2026						50.4						16.5
2027						49.6						15.8
After 2027						568.4						122.2
Total lease payments						784.6						195.9
less: interest						313.2						67.6
Present value of lease liabilities						$	471.4					$	128.3

X

- Definition

Assets And Liabilities, Lessee [Table Text Block]

+ References

No definition available.

+ Details

Name:	musa_AssetsAndLiabilitiesLesseeTableTextBlock
Namespace Prefix:	musa_
Data Type:	dtr-types1:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

+ Details

Name:	us-gaap_FinanceLeaseLiabilityMaturityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-4

+ Details

Name:	us-gaap_LeaseCostTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_LeasesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration