Excess workers' compensation insurance coverage.

No definition available.

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- Definition

Excess workers' compensation insurance coverage maximum limit.

+ References

No definition available.

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- Definition

Insurance deposit as security for future payment obligations under workers compensation program.

+ References

No definition available.

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- Definition

Reinsurance coverage per occurrence.

+ References

No definition available.

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- Definition

Specified investment balances.

+ References

No definition available.

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- Definition

Standby letters of credit and a surety bond.

+ References

No definition available.

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- Definition

Surety bonds.

+ References

No definition available.

+ Details

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- Definition

Workers compensation accrual for costs incurred in excess of retention limits offset by receivable.

+ References

No definition available.

+ Details

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- Definition

Workers compensation claims incurred in excess of retention limits.

+ References

No definition available.

+ Details

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- Definition

Workers compensation claims maximum coverage per occurrence.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ 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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- 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.

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Workers' Compensation Claims - Additional Information (Detail) - USD ($)		6 Months Ended	12 Months Ended
	Jul. 01, 2018	Jun. 30, 2019	Dec. 31, 2018	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Worker's compensation risk claim maximum	$ 5,000,000	$ 5,000,000
Surety bonds	30,000,000
Balance in Chubb trust accounts		407,700,000	$ 451,000,000
Specified investment balances or other financial instruments		73,200,000	85,200,000
Surety bonds and standby letters of credit		73,200,000
Estimated future liability for unsettled workers' compensation		430,736,000	413,397,000	$ 422,872,000	$ 390,814,000	$ 378,874,000	$ 363,517,000
Reserves incurred in excess of retention limits		3,200,000	3,200,000
Other Assets [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accrual for costs incurred in excess of retention limits offset by a receivable		3,200,000	$ 3,200,000
Wells Fargo Bank, National Association [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Letter of credit	$ 63,700,000
Chubb Limited [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Worker's compensation risk claim maximum		5,000,000
Maryland [Member] \| AICE [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reinsurance coverage		1,000,000
Colorado [Member] \| AICE [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reinsurance coverage		$ 2,000,000
Colorado [Member] \| Chubb Limited [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excess workers' compensation insurance coverage with American Insurance Company		statutory limits
California [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Surety bonds and standby letters of credit		$ 55,600,000
Maximum [Member] \| AICE [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reinsurance coverage		5,000,000
Minimum [Member] \| Chubb Limited [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excess workers' compensation insurance coverage with Chubb		5,000,000
Minimum [Member] \| Maryland [Member] \| Chubb Limited [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excess workers' compensation insurance coverage with Chubb		1,000,000
Minimum [Member] \| Colorado [Member] \| Chubb Limited [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excess workers' compensation insurance coverage with Chubb		$ 2,000,000