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Organization, Consolidation and Presentation of Financial Statements (Policies)
6 Months Ended
Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Basis of Accounting, Policy [Policy Text Block] The condensed consolidated financial statements were prepared using GAAP
Fiscal Period, Policy [Policy Text Block]
Prior to fiscal year 2020, our second fiscal quarter ended on the Saturday closest to June 30. The second quarter and year-to-date periods for 2019 presented herein consisted of 91 days and 182 days, respectively, and ended on June 29, 2019.

In December 2019, our Board of Directors approved the change of our fiscal year to a calendar year, commencing with fiscal year 2020. Accordingly, the second quarter and year-to-date periods for 2020 presented herein consisted of 91 days and 185 days, respectively, and ended on June 30, 2020.

All references to periods in these notes to condensed consolidated financial statements represent the respective periods described above ending on June 30, 2020 and June 29, 2019, unless otherwise noted.