Debt (Tables)

12 Months Ended

Dec. 31, 2020

Long-term debt was (in millions):


	December 31,
	2020		2019
4.45% Senior Notes due 2020	$	—	$	600.0
3.625% Senior Notes due 2022	1,250.0		1,250.0
3.65% Senior Notes due 2024	750.0		750.0
3.60% Senior Notes due 2026	1,400.0		1,400.0
€500 Million 0.80% Senior Notes due 2027	611.5		561.4
2.45% Senior Notes due 2030	600.0		—
4.20% Senior Notes due 2030	600.0		—
€500 Million 1.40% Senior Notes due 2031	611.5		561.4

	5,823.0		5,122.8
Unamortized premium (discount), net	(5.1)		0.8
Unamortized debt issuance costs	(27.0)		(20.0)
Unamortized deferred gain from settlement of interest rate swaps	16.4		30.7

	5,807.3		5,134.3
Current portion	—		(602.4)
Long-term debt	$	5,807.3	$	4,531.9

Maturities of Long-Term Debt

At December 31, 2020, the maturities of our long-term debt were (in millions):


2021	$	—
2022	1,250.0
2023	—
2024	750.0
2025	—
Thereafter	3,823.0
Total principal payments	$	5,823.0

Components of Interest Expense

Interest expense is composed of (in millions):


	Year Ended December 31,
	2020		2019		2018
Long-term debt	$	186.4	$	194.6	$	201.6
Commercial paper	0.9		6.5		9.6
Interest rate swaps	—		6.1		5.2
Amortization of deferred gain on interest rate swaps	(8.1)		(14.8)		(12.9)
Fees	6.5		4.7		5.6


Pension and other interest	36.1		47.2		57.3
	$	221.8	$	244.3	$	266.4

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644

Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644

Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

+ Details