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Leases - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 30, 2019 | Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017 | Dec. 30, 2018
Lessee Lease Description [Line Items] |  |  |  |  |
Operating lease assets |  | $ 151,983 | $ 0 |  |
Operating lease liabilities |  | $ 161,700 |  |  |
Lease weighted average remaining lease term |  | 7 years 21 days |  |  |
Operating leases, rent expense |  |  | $ 44,130 | $ 42,259 |
Minimum |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |
Leases, remaining lease term |  | 0 years |  |  |
Maximum |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |
Leases, remaining lease term |  | 13 years |  |  |
ASU 2016-02 |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |
Operating lease assets |  |  |  |  | $ 155,178
Operating lease liabilities |  |  |  |  | 163,486
Retained earnings for operating leases |  |  |  |  | $ 0
Prepaid Rent | ASU 2016-02 |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |
Revised prepaid rent | $ 3,595 |  |  |  |

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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