Restructuring and Other Related Costs - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 24, 2022	Sep. 24, 2022	Dec. 25, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring and other related costs		$ 9,730
Restructuring liability	$ 1,017	1,017	$ 8,882
Severance and other related expenses
Restructuring Cost and Reserve [Line Items]
Restructuring and other related costs		1,955
Restructuring liability	910	910	$ 7,536
Severance and other related expenses | Telecom Holding Parent LLC
Restructuring Cost and Reserve [Line Items]
Restructuring liability	400	400
2021 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and other related costs	100	6,000
2021 Restructuring Plan | Severance and other related expenses
Restructuring Cost and Reserve [Line Items]
Restructuring liability	600	600
2021 Restructuring Plan | Minimum
Restructuring Cost and Reserve [Line Items]
Estimated costs	15,000	15,000
2021 Restructuring Plan | Maximum
Restructuring Cost and Reserve [Line Items]
Estimated costs	$ 17,000	$ 17,000