Debt Outstanding [Line Items]

No definition available.

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- Definition

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

+ References

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+ Details

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Period Type:	instant

- Definition

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

+ References

+ Details

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- Definition

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.

+ References

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Short-Term Borrowings and Long-Term Debt - Outstanding Short Term Borrowings and Long Term Debt (Details) - USD ($)	Dec. 31, 2020	Jun. 05, 2020	Dec. 31, 2019	Jan. 31, 2015
Debt Outstanding [Line Items]
Short-term borrowings	$ 20,553,000		$ 17,430,000
Total long-term debt	843,628,000		347,987,000
Senior Notes \| 3.50% Senior Notes
Debt Outstanding [Line Items]
Principal value	350,000,000			$ 350,000,000
Total long-term debt	$ 348,348,000		347,987,000
Stated interest rate	3.50%
Senior Notes \| 3.125% Senior Notes
Debt Outstanding [Line Items]
Principal value	$ 500,000,000	$ 500,000,000.0
Total long-term debt	$ 495,280,000		0
Stated interest rate	3.125%
Other short-term borrowings
Debt Outstanding [Line Items]
Principal value	$ 20,553,000
Short-term borrowings	$ 20,553,000		$ 17,430,000