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Leases - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 29, 2017
Lessee Lease Description [Line Items] |  |  |
Lease option to extend | five years |  |
Lease existence of option to extend | true |  |
Lease option to terminate | seventh year |  |
Lease existence of option to terminate | true |  |
Finance lease right-of-use asset | $ 2.4 |  |
Finance lease right of use assets accumulated depreciation | 0.7 |  |
Operating lease not yet commenced expense | 9.9 |  |
Indirect General And Administrative Expenses |  |  |
Lessee Lease Description [Line Items] |  |  |
Rental expense | $ 82.1 | $ 79.8 | $ 73.3
Minimum |  |  |
Lessee Lease Description [Line Items] |  |  |
Lease term of contract | 1 year |  |
Operating lease not yet commenced term of contract | 5 years |  |
Maximum |  |  |
Lessee Lease Description [Line Items] |  |  |
Lease term of contract | 11 years |  |
Operating lease not yet commenced term of contract | 7 years |  |

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- Definition Lessee lease existence of option to extend. + References No definition available. + Details
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- Definition Lessee lease existence of option to terminate. + References No definition available. + Details
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- Definition Lessee lease option to extend. + References No definition available. + Details
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- Definition Lessee lease option to terminate. + References No definition available. + Details
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- Definition Lessee lease term of contract. + References No definition available. + Details
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- Definition Operating lease not yet commenced expense. + References No definition available. + Details
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- Definition Amount of lessee's right to use underlying asset under finance 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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- 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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- Definition Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 + Details
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- Details
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