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Debt and Credit Facilities - Additional Information (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Jul. 01, 2014 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 29, 2017
Debt Instrument [Line Items] |  |  |  |
Debt issuance costs incurred |  | $ 500,000 |  |
Letters of credit outstanding amount |  | 197,300,000 | $ 223,000,000 |
Amortization of debt issuance costs |  | 973,000 | 721,000 | $ 504,000
Term Loan |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Repayment of outstanding balance |  | 150,000,000 |  |
Accrued Expenses and Other Current Liabilities |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest payable |  | 5,700,000 | 5,700,000 |
Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest expense |  | 12,400,000 | 12,400,000 | 12,400,000
Interest payments |  | 12,400,000 | $ 12,400,000 | $ 12,400,000
Private Placement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt issuance costs incurred |  | $ 1,100,000 |  |
Repayment of outstanding balance | $ 250,000,000 |  |  |
Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Amended and restated credit agreement date |  | Nov. 30, 2017 |  |
Debt issuance costs incurred |  | $ 2,000,000 |  |
Revolving credit facility |  | 500,000,000 |  |
Increase in revolving credit facility |  | $ 550,000,000 |  |
Credit agreement extended date |  | Nov. 30, 2022 |  |
Interest rate |  | 3.02% | 4.253% |
Letters of credit outstanding amount |  | $ 43,700,000 | $ 49,800,000 |
Credit Agreement | Base Rate | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Margin interest rate |  | 0.125% |  |
Credit Agreement | Base Rate | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Margin interest rate |  | 1.00% |  |
Credit Agreement | LIBOR | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Margin interest rate |  | 1.125% |  |
Credit Agreement | LIBOR | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Margin interest rate |  | 2.00% |  |

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- Definition Amount of amortization expense attributable to debt issuance costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(8)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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