Fair Value Measurements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021	Jan. 01, 2022
Financial assets and liabilities at fair value
Term loans and senior notes, carrying value	$ 2,292,139		$ 2,292,139		$ 2,267,759
Changes in level 3
Level 3 activity	0	$ 0	0	$ 0
Tranche B Term Loans due 2026
Financial assets and liabilities at fair value
Face amount of senior notes	$ 671,600		$ 671,600		$ 671,600
5.25% Senior Notes due 2025
Financial assets and liabilities at fair value
Interest rate (as a percent)	5.25%		5.25%		5.25%
Face amount of senior notes	$ 900,000		$ 900,000		$ 900,000
5.25% Senior Notes due 2027
Financial assets and liabilities at fair value
Interest rate (as a percent)	5.25%		5.25%		5.25%
Carrying Value | Revolving credit loans
Financial assets and liabilities at fair value
Term loans and senior notes, carrying value	$ 187,500		$ 187,500		$ 165,000
Carrying Value | Tranche B Term Loans due 2026
Financial assets and liabilities at fair value
Term loans and senior notes, carrying value	668,168		668,168		667,811
Carrying Value | 5.25% Senior Notes due 2025
Financial assets and liabilities at fair value
Term loans and senior notes, carrying value	901,483		901,483		901,753
Carrying Value | 5.25% Senior Notes due 2027
Financial assets and liabilities at fair value
Term loans and senior notes, carrying value	550,000		550,000		550,000
Fair value measured on recurring basis | Fair Value | Revolving credit loans | Level 2
Financial assets and liabilities at fair value
Term loans and senior notes, fair value	187,500		187,500		165,000
Fair value measured on recurring basis | Fair Value | Tranche B Term Loans due 2026
Financial assets and liabilities at fair value
Term loans and senior notes, fair value	626,408		626,408		666,141
Fair value measured on recurring basis | Fair Value | 5.25% Senior Notes due 2025 | Level 1
Financial assets and liabilities at fair value
Term loans and senior notes, fair value	811,335		811,335		920,915
Fair value measured on recurring basis | Fair Value | 5.25% Senior Notes due 2027
Financial assets and liabilities at fair value
Term loans and senior notes, fair value	$ 462,000		$ 462,000		$ 567,875