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Commitments and Contingencies - Insurance (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Commitment And Contingencies [Line Items]
Insurance and other non-current liabilities	$ 309,944	$ 311,307
Employer's Liability, Workers' Compensation, Auto Liability, General Liability and Group Health Care Claims
Commitment And Contingencies [Line Items]
Gross amount accrued for insurance claims	294,800	287,600
Insurance and other non-current liabilities	217,700	212,900
Related insurance recoveries/receivables	31,700	35,100
Related insurance recoveries/receivables included in prepaid expenses and other current assets	300	300
Related insurance recoveries/receivables included in other assets net	$ 31,400	$ 34,800

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- Definition

Commitment And Contingencies [Line Items]

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Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

+ References

No definition available.

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Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, 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 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) of amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

+ 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
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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-Name Accounting Standards Codification
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