Financing Arrangements (Details) - USD ($) $ in Thousands	Jan. 30, 2015	Dec. 31, 2023	Dec. 28, 2023	Apr. 05, 2023	Dec. 31, 2022
Financing Arrangements
Long-term finance lease obligation		$ 43,674			$ 45,185
Finance liabilities current		1,511			$ 1,229
Sale leaseback obligation
Financing Arrangements
Long-term finance lease obligation		45,200
Finance liabilities current		1,500
Security deposit		5,900
Beverly Property Owner LLC
Financing Arrangements
Security deposit		$ 5,900
Beverly Property Owner LLC | Building
Financing Arrangements
Proceeds from sale of corporate headquarters	$ 48,900
Lease term	22 years
Silicon Valley Bank | Revolving credit facility
Financing Arrangements
Maximum borrowing capacity under the credit facility				$ 40,000
Letter of credit			$ 5,900