Benefit Plans - Narrative (Details) $ in Thousands, £ in Millions		3 Months Ended
	Apr. 06, 2020 GBP (£)	Dec. 31, 2021 USD ($)	Mar. 27, 2021 USD ($)	Jun. 27, 2020 USD ($)	Jun. 27, 2020 GBP (£)	Mar. 28, 2020 USD ($)	Apr. 07, 2020 USD ($)
Defined Benefit Plan Disclosure
Contributions expected			$ 2,200
Expected direct payments			3,800
Defined benefit plan expense			1,106			$ 694
Estimated decrease in pension cost							$ 55,000
Estimated percent reduction in pension costs							37.00%
Benefit obligation, unamortized actuarial loss | £	£ 13.4
Cash contribution				$ 10,400	£ 8.4
Defined benefit pension plan and other adjustments
Defined Benefit Plan Disclosure
Benefit obligation, unamortized actuarial loss | £	£ 10.9
Forecast | Minimum
Defined Benefit Plan Disclosure
Estimated settlement charge		$ 18,000
Forecast | Maximum
Defined Benefit Plan Disclosure
Estimated settlement charge		$ 22,000
Foreign Plan
Defined Benefit Plan Disclosure
Defined benefit plan expense			500			500
Other comprehensive income as component of net period benefit cost, before tax			$ 200			$ 200