Benefit Plans - Narrative (Details) $ in Thousands, £ in Millions			3 Months Ended		6 Months Ended	12 Months Ended
	Apr. 06, 2020 USD ($)	Apr. 06, 2020 GBP (£)	Jun. 27, 2020 USD ($)	Jun. 27, 2020 GBP (£)	Dec. 31, 2021 USD ($)	Dec. 26, 2020 USD ($)	Dec. 28, 2019 USD ($)	Dec. 29, 2018 USD ($)	Apr. 07, 2020 USD ($)
Defined Benefit Plan Disclosure
Pension benefit obligation									$ 55,000
Pension benefit obligation (in percent)									37.00%
One-time non cash settlement charge						$ (236)	$ (260)	$ (238)
Benefit obligation, unamortized actuarial loss	$ 13,400
Benefits paid			$ 10,400	£ 8.4
Expected contributions						2,200
Expected direct payments						3,800
Post-employment plan expense						2,000	1,400	$ 1,800
Benefit obligation						3,500	2,800
Amount recognized in other comprehensive income loss as a component of net periodic benefit cost						100	600
Accrued Liabilities
Defined Benefit Plan Disclosure
Benefit obligation						1,200	900
Other Long-Term Liabilities
Defined Benefit Plan Disclosure
Benefit obligation						2,300	1,900
Foreign Plan
Defined Benefit Plan Disclosure
Accumulated benefit obligation						$ 137,700	$ 111,300
Accumulated Defined Benefit Plans Adjustment Attributable to Noncontrolling Interest
Defined Benefit Plan Disclosure
Benefit obligation, unamortized actuarial loss | £		£ 10.9
Minimum | Forecast
Defined Benefit Plan Disclosure
One-time non cash settlement charge					$ 18,000
Maximum | Forecast
Defined Benefit Plan Disclosure
One-time non cash settlement charge					$ 22,000