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Debt - Convertible Senior Notes (Details) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 01, 2020 USD ($) D $ / shares | Mar. 06, 2017 USD ($) D $ / shares | Jan. 02, 2021 USD ($) | Jan. 06, 2021 USD ($)
Debt |  |  |  |
Loss on debt extinguishment |  |  | $ (4,060) |
Credit Facility |  |  |  |
Debt |  |  |  |
Repayment of credit facility amount | $ 310,000 |  |  |
0.625% Convertible Senior Notes (2025 Notes) |  |  |  |
Debt |  |  |  |
Principal amount | $ 535,000 |  |  |
Semi-annual interest rate | 0.625% |  | 0.625% |
Conversion rate, shares per $1,000 principal | 8.1498 |  |  |
Conversion, number of shares of common stock | 4,400 |  |  |
Initial conversion price | $ / shares | $ 122.70 |  |  |
Debt issuance costs | $ 10,400 |  |  |
0.625% Convertible Senior Notes (2025 Notes) | Conversion of Notes, Holders |  |  |  |
Debt |  |  |  |
Number of trading days within 30 trading day period | D | 20 |  |  |
Number of consecutive trading days | D | 30 |  |  |
Stock price trigger per share | $ / shares | $ 159.51 |  |  |
Stock price trigger, as a percentage of conversion price | 130.00% |  |  |
Number of consecutive business days after the 10 consecutive trading day period | D | 5 |  |  |
Number of consecutive trading days before the five consecutive business days | D | 10 |  |  |
Maximum threshold stock price, as a percentage of conversion price | 98.00% |  |  |
0.625% Convertible Senior Notes (2025 Notes) | Conversion of Notes, Company |  |  |  |
Debt |  |  |  |
Stock price trigger, as a percentage of conversion price | 130.00% |  |  |
Number of consecutive business days after the 10 consecutive trading day period | D | 20 |  |  |
Number of consecutive trading days before the five consecutive business days | D | 30 |  |  |
1.375% Convertible Senior Notes (2022 Notes) |  |  |  |
Debt |  |  |  |
Principal amount |  | $ 400,000 |  |
Semi-annual interest rate |  | 1.375% | 1.375% |
Repayment of credit facility amount |  |  | $ 305,100 |
Aggregate principal amount of debt repurchased | $ 236,800 |  | 259,400 |
Conversion rate, shares per $1,000 principal |  | 10.7744 |  |
Conversion, number of shares of common stock |  | 4,300 |  |
Initial conversion price | $ / shares |  | $ 92.81 |  |
Debt issuance costs |  | $ 10,600 |  |
Remaining principal amount |  |  |  | $ 140,600
1.375% Convertible Senior Notes (2022 Notes) | Interest expense |  |  |  |
Debt |  |  |  |
Loss on debt extinguishment |  |  | $ (4,100) |
1.375% Convertible Senior Notes (2022 Notes) | Conversion of Notes, Holders |  |  |  |
Debt |  |  |  |
Number of trading days within 30 trading day period | D |  | 20 |  |
Number of consecutive trading days | D |  | 30 |  |
Stock price trigger per share | $ / shares |  | $ 120.66 |  |
Stock price trigger, as a percentage of conversion price |  | 130.00% |  |
Maximum threshold stock price, as a percentage of conversion price |  | 98.00% |  |
1.375% Convertible Senior Notes (2022 Notes) | Conversion of Notes, Company |  |  |  |
Debt |  |  |  |
Stock price trigger, as a percentage of conversion price |  | 130.00% |  |
Number of consecutive business days after the 10 consecutive trading day period | D |  | 20 |  |
Number of consecutive trading days before the five consecutive business days | D |  | 30 |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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