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Employee Benefit Plans - Other Employee Benefits (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 30, 2017 | Dec. 31, 2016 | Dec. 26, 2015
Management [Member] | Deferred compensation bonus and commission plan [Member] |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |
Deferred compensation plan fair market value amount charged (credited) to operations | $ 5.0 | $ 1.7 | $ 0.1
Qualified 401K plan [Member] |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Amounts charged (credited) to operations | $ 39.0 | 33.9 | 31.5
Qualified 401K plan [Member] | Maximum [Member] |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Maximum matching contributions as a percentage of participants' contributions (as a percent) | 100.00% |  |
Maximum participants' contributions as a percentage of their base compensation (as a percent) | 7.00% |  |
Allowable maximum percentage of contributions allocated to Henry Schein Stock Fund (as a percent) | 20.00% |  |
Supplemental executive retirement plan [Member] |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Amounts charged (credited) to operations | $ 0.6 | $ 0.3 | $ 1.5

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- Definition The compensation expense recognized during the period pertaining to the deferred compensation arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + 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 Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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