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Debt - Debt Acquired in Acquisition (Details) | Sep. 16, 2008 USD ($) subsidiary | Dec. 30, 2018 USD ($) | Dec. 31, 2017 USD ($)
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Principal |  | $ 300,000,000 | $ 300,800,000.0
10-year term loan |  |  |
Debt Instrument [Line Items] |  |  |
Principal | $ 10,000,000.0 |  |
Maturity period (in years) | 10 years |  |
Number of subsidiary owned | subsidiary | 1 |  |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Details
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