Debt Instrument Fixed Charge Coverage Ratio Covenant

No definition available.

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- Definition

Excess cash flow limit for mandatory pre-payments of debt.

+ References

No definition available.

+ Details

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- Definition

Percentage of closing fees paid on aggregate amount.

+ References

No definition available.

+ Details

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- Definition

Percentage of mandatory pre-payments on debt issuance.

+ References

No definition available.

+ Details

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- Definition

Percentage of mandatory pre-payments on excess cash flow.

+ References

No definition available.

+ Details

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- Definition

Percentage of mandatory pre-payments on sale or disposition of assets.

+ References

No definition available.

+ Details

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- Definition

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=84164758&loc=d3e45014-112735

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Balance Type:	debit
Period Type:	instant

- Definition

The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737

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Balance Type:	debit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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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.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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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

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of the required periodic payments of both interest and principal.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Long-term Debt - Additional Information (Detail) - USD ($)		6 Months Ended
	Apr. 13, 2017	Jun. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Percentage of closing fee	1.25%
Assets relating to master loan agreements, Gross		$ 64,400,000	$ 64,200,000
Capital leased assets, net book value		$ 14,800,000	16,400,000
Master Loan Agreements [Member]
Debt Instrument [Line Items]
Payment Period, typical		60 months
Assets relating to master loan agreements, Gross		$ 59,600,000	48,700,000
Capital leased assets, net book value		43,400,000	$ 38,000,000
Term Loan Agreement [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Margin interest rate percentage	3.00%
Term Loan Agreement [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Margin interest rate percentage	2.00%
Term Loan Agreement [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	$ 300,000,000
Term loan facility maturity period	7 years
Quarterly principal payment of term loan		$ 800,000
Credit facility, amortization description		The Term Loan amortizes in quarterly principal payments of approximately $0.8 million starting on September 30, 2017, with any remaining unpaid balances due on April 15, 2024, which is the maturity date. Loans incurred under the ABL Revolver will have a final maturity of April 13, 2022.
Percentage of mandatory pre-payments on debt issuance		100.00%
Percentage of mandatory pre-payments on sale or disposition of assets		100.00%
Percentage of mandatory pre-payments on excess cash flow		50.00%
Excess cash flow limit for mandatory pre-payments of debt		$ 5,000,000
Term Loan Agreement [Member] \| Term Loan [Member] \| Leverage Ratio Range One [Member]
Debt Instrument [Line Items]
Percentage of mandatory pre-payments on excess cash flow		25.00%
Term Loan Agreement [Member] \| Term Loan [Member] \| Leverage Ratio Range Two [Member]
Debt Instrument [Line Items]
Percentage of mandatory pre-payments on excess cash flow		0.00%
ABL Credit Agreement [Member]
Debt Instrument [Line Items]
Fixed coverage ratio, covenants requirements	1.00%
ABL Credit Agreement [Member] \| Eurodollar Rate Loan One [Member]
Debt Instrument [Line Items]
Margin interest rate percentage	1.25%
ABL Credit Agreement [Member] \| Eurodollar Rate Loan Two [Member]
Debt Instrument [Line Items]
Margin interest rate percentage	1.50%
ABL Credit Agreement [Member] \| Eurodollar Rate Loan Three [Member]
Debt Instrument [Line Items]
Margin interest rate percentage	1.75%
ABL Credit Agreement [Member] \| Base Rate Loan One [Member]
Debt Instrument [Line Items]
Margin interest rate percentage	0.25%
ABL Credit Agreement [Member] \| Base Rate Loan Two [Member]
Debt Instrument [Line Items]
Margin interest rate percentage	0.50%
ABL Credit Agreement [Member] \| Base Rate Loan Three [Member]
Debt Instrument [Line Items]
Margin interest rate percentage	0.75%
ABL Credit Agreement [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity		$ 100,000,000
Maturity date		Apr. 13, 2022
ABL Credit Agreement [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity		$ 50,000,000