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Accumulated Other Comprehensive Loss - Before and After Tax Amounts for Comprehensive Income (Loss) Components (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Oct. 01, 2023	Jul. 02, 2023	Apr. 02, 2023	Oct. 02, 2022	Jul. 03, 2022	Apr. 03, 2022	Oct. 01, 2023	Oct. 02, 2022	Sep. 08, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss) income	$ (47,347)	$ 21,355	$ 35,238	$ (82,363)	$ (74,332)	$ 3,447
RTS Packaging
Accumulated Other Comprehensive Income (Loss) [Line Items]
Voting interest acquired	65.00%						65.00%		65.00%
Foreign Currency Items
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss)/income before reclassifications before tax	$ (50,389)			(81,457)			$ 3,168	$ (155,179)
Other comprehensive (loss)/income before reclassifications, tax	0			0			0	0
Other comprehensive (loss)/income before reclassifications, net of tax	(50,389)			(81,457)			3,168	(155,179)
Other comprehensive income/(loss) before tax	(48,356)			(81,457)			5,201	(151,432)
Other comprehensive income/(loss), tax	0			0			0	0
Other comprehensive (loss) income	(48,356)			(81,457)			5,201	(151,432)
Foreign Currency Items \| Net Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income/(loss) before tax	2,033			0			2,033	3,747
Amounts reclassified from accumulated other comprehensive income/(loss), tax	0			0			0	0
Amounts reclassified from accumulated other comprehensive income/(loss) net of tax	2,033			0			2,033	3,747
Defined benefit pension items
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss)/income before reclassifications before tax	(1,137)			(74)			(5,586)	(5,257)
Other comprehensive (loss)/income before reclassifications, tax	141			19			1,541	1,309
Other comprehensive (loss)/income before reclassifications, net of tax	(996)			(55)			(4,045)	(3,948)
Amounts reclassified from accumulated other comprehensive income/(loss) before tax							8,827	4,085
Amounts reclassified from accumulated other comprehensive income/(loss), tax							(2,228)	(1,013)
Amounts reclassified from accumulated other comprehensive income/(loss) net of tax							6,599	3,072
Other comprehensive income/(loss) before tax	4,738			1,155			3,241	(1,172)
Other comprehensive income/(loss), tax	(1,337)			(294)			(687)	296
Other comprehensive (loss) income	3,401			861			2,554	(876)
Defined benefit pension items \| Net Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income/(loss) before tax	5,875			1,229
Amounts reclassified from accumulated other comprehensive income/(loss), tax	(1,478)			(313)
Amounts reclassified from accumulated other comprehensive income/(loss) net of tax	4,397			916
Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss)/income before reclassifications before tax	(369)			1,336			6,511	5,607
Other comprehensive (loss)/income before reclassifications, tax	102			(247)			(1,400)	(1,471)
Other comprehensive (loss)/income before reclassifications, net of tax	(267)			1,089			5,111	4,136
Other comprehensive income/(loss) before tax	(2,384)			(1,536)			2,724	(914)
Other comprehensive income/(loss), tax	660			284			(506)	122
Other comprehensive (loss) income	(1,724)			(1,252)			2,218	(792)
Cash Flow Hedges \| Property, Plant and Equipment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income/(loss) before tax	0			(312)			401	(864)
Amounts reclassified from accumulated other comprehensive income/(loss), tax	0			58			(101)	222
Amounts reclassified from accumulated other comprehensive income/(loss) net of tax	0			(254)			300	(642)
Cash Flow Hedges \| Net Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income/(loss) before tax	(2,015)			(2,560)			(4,188)	(5,657)
Amounts reclassified from accumulated other comprehensive income/(loss), tax	558			473			995	1,371
Amounts reclassified from accumulated other comprehensive income/(loss) net of tax	(1,457)			(2,087)			(3,193)	(4,286)
Other comprehensive loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income/(loss) before tax	(46,002)			(81,838)			11,166	(153,518)
Other comprehensive income/(loss), tax	(677)			(10)			(1,193)	418
Other comprehensive (loss) income	$ (46,679)	$ 21,653	$ 34,999	$ (81,848)	$ (73,808)	$ 2,556	$ 9,973	$ (153,100)