Derivatives - AOCI Activity (Details) $ in Thousands	12 Months Ended
	Jan. 02, 2021 USD ($)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 427,079
Ending balance	496,905
Deferred Loss on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(644)
Loss reclassified to earnings	232
(Loss) gain recognized in AOCI	(416)
Ending balance	(828)
Deferred Loss on Cash Flow Hedges | Interest rate swap agreements
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(589)
Loss reclassified to earnings	253
(Loss) gain recognized in AOCI	(510)
Ending balance	(846)
Deferred Loss on Cash Flow Hedges | Forward Currency-Exchange Contracts
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(55)
Loss reclassified to earnings	(21)
(Loss) gain recognized in AOCI	94
Ending balance	$ 18