Additional Cash Flow Information - Additional Information (Detail) - USD ($)	3 Months Ended
Mar. 30, 2019	Mar. 31, 2018
Supplemental Cash Flow Information [Abstract]
Income taxes paid		$ 464,000
Purchase of operating property by finance lease	$ 0	0
Income tax refunds received	3,624,000
Interest paid	$ 1,198,000	$ 976,000

The increase during the period in capital lease obligations due to entering into new capital leases.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586

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The amount of cash received during the period as refunds for the overpayment of taxes.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
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No definition available.

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