Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Debt Instrument
Interest Rate (percent)	0.00%	0.00%
Finance lease obligation	$ 2,048	$ 2,005
Total	1,647,048	1,497,005
Unamortized Debt Issuance Costs	(696)	(1,326)
Long-Term Debt	1,646,352	1,495,679
Less Amounts Due Within One Year
Term Loan Credit Facility, due July 31, 2021, Net	(499,705)	0
Finance Lease Obligation	(2,048)	0
Total Debt	1,144,599	1,495,679
Revolving Credit Facility \| Revolving Credit Facility, due March 9, 2023
Debt Instrument
Debt	$ 745,000	$ 595,000
Interest Rate (percent)	1.60%	3.11%
Term Loan Credit Facility \| Term Loan Credit Facility, due July 31, 2021
Debt Instrument
Debt	$ 500,000	$ 500,000
Interest Rate (percent)	1.35%	2.85%
Term Loan Credit Facility \| Term Loan Credit Facility, due August 23, 2022
Debt Instrument
Debt	$ 400,000	$ 400,000
Interest Rate (percent)	1.23%	2.74%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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- Definition

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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

+ References

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

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- Definition

The carrying value as of the balance sheet date of the current portion 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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- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
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- Definition

Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, including portion classified as current.

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