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Fair Value Measurements - Schedule of Recurring Level 3 Fair Value Measurements of Contingent Consideration Include Unobservable Inputs (Detail) - Fair Value Measurements Recurring [Member] - Significant unobservable inputs (Level 3) [Member]	4 Months Ended
	Apr. 21, 2018
Fair Value Inputs Assets Quantitative Information [Line Items]
Discount rate	11.80%
Minimum [Member]
Fair Value Inputs Assets Quantitative Information [Line Items]
Probability of payments	0.00%
Projected year(s) of payments	2018
Maximum [Member]
Fair Value Inputs Assets Quantitative Information [Line Items]
Probability of payments	100.00%
Projected year(s) of payments	2019

X

- Definition

Fair value inputs projected year of payment.

+ References

No definition available.

+ 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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X

- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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X

- Definition

Percentage of likelihood a loan will not be repaid and instead default, used as an input to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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- Details

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