XML 90 R75.htm IDEA: XBRL DOCUMENT
v3.20.4

Credit and Other Debt Agreements - Note Purchase Agreements - Additional Information (Detail) - USD ($) $ in Millions |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jan. 30, 2020 | Dec. 02, 2019 | Jun. 12, 2019 | Feb. 13, 2019 | Dec. 31, 2020 | Dec. 31, 2019
Fixed Rate of 4.72%, Balloon due February 13, 2024 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  |  | $ 100.0 |
Debt instrument, interest rate |  |  |  |  | 4.72% | 4.72%
Debt instrument, due date |  |  |  |  | 2024 |
Fixed Rate of 4.85%, Balloon due February 13, 2026 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  |  | $ 140.0 |
Debt instrument, interest rate |  |  |  |  | 4.85% | 4.85%
Debt instrument, due date |  |  |  |  | 2026 |
Fixed Rate of 5.04%, Balloon due February 13, 2029 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  |  | $ 100.0 |
Debt instrument, interest rate |  |  |  |  | 5.04% | 5.04%
Debt instrument, due date |  |  |  |  | 2029 |
Fixed Rate of 5.14%, Balloon due March 13, 2031 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  |  | $ 180.0 |
Debt instrument, interest rate |  |  |  |  | 5.14% | 5.14%
Debt instrument, due date |  |  |  |  | 2031 |
Fixed Rate of 5.29%, balloon due March 13, 2034 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  |  | $ 40.0 |
Debt instrument, interest rate |  |  |  |  | 5.29% | 5.29%
Debt instrument, due date |  |  |  |  | 2034 |
Fixed Rate of 5.45%, balloon due March 13, 2039 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  |  | $ 40.0 |
Debt instrument, interest rate |  |  |  |  | 5.45% | 5.45%
Debt instrument, due date |  |  |  |  | 2039 |
Fixed Rate of 3.75% Senior Notes Due in 2027 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  |  | $ 30.0 |
Debt instrument, interest rate |  |  |  |  | 3.75% |
Debt instrument, due date |  |  |  |  | 2027 |
Fixed Rate of 3.99% Senior Notes Due in 2030 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  |  | $ 341.0 |
Debt instrument, interest rate |  |  |  |  | 3.99% |
Debt instrument, due date |  |  |  |  | 2030 |
Fixed Rate of 4.09% Senior Notes Due in 2032 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  |  | $ 69.0 |
Debt instrument, interest rate |  |  |  |  | 4.09% |
Debt instrument, due date |  |  |  |  | 2032 |
Fixed Rate of 4.24% Senior Notes Due in 2035 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  |  | $ 79.0 |
Debt instrument, interest rate |  |  |  |  | 4.24% |
Debt instrument, due date |  |  |  |  | 2035 |
Fixed Rate of 4.49% Senior Notes Due in 2040 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  |  | $ 56.0 |
Debt instrument, interest rate |  |  |  |  | 4.49% |
Debt instrument, due date |  |  |  |  | 2040 |
Note Purchase Agreements [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Realized a cash gain on hedging transaction | $ 8.9 |  | $ 5.2 | $ 1.2 |  |
Derivative instrument, term | 10 years |  |  |  |  |
Amount payable to redeem the notes, percent of the principal amount |  |  |  |  | 100.00% |
Discount rate used to compute the remaining scheduled payments of principal and interest |  |  |  |  | U.S. Treasury yield plus 0.5 |
Note Purchase Agreements [Member] | Senior Unsecured Notes [Member] | Private Placement [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  | 600.0 |  |
Note Purchase Agreements [Member] | Fixed Rate Senior Unsecured Notes [Member] | Private Placement [Member] | Tranche One [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  | 340.0 |  |
Note Purchase Agreements [Member] | Fixed Rate Senior Unsecured Notes [Member] | Private Placement [Member] | Tranche Two [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  |  | $ 260.0 |  |
Note Purchase Agreements [Member] | Unsecured Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Weighted average interest rate of notes |  |  |  | 5.04% |  |
Note Purchase Agreements [Member] | Unsecured Notes [Member] | Private Placement [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold | $ 575.0 | $ 50.0 | $ 175.0 |  |  |
Weighted average maturity of notes | 11 years 8 months 12 days |  |  |  |  |
Weighted average interest rate of notes | 4.23% | 3.48% |  |  |  |
Debt instrument, interest rate |  |  | 4.48% |  |  |
Debt instrument, due date |  | 2029 | 2034 |  |  |
Note Purchase Agreements [Member] | Unsecured Notes [Member] | Private Placement [Member] | Weighted Average [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Weighted average maturity of notes |  |  |  | 10 years 1 month 6 days |  |
Note Purchase Agreements [Member] | Series K Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  |  | $ 50.0 |  |  |
Weighted average interest rate of notes |  |  | 4.68% |  |  |
Note Purchase Agreements [Member] | Series C Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued and sold |  | $ 50.0 |  |  |  |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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