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Derivative Instruments & Hedging Activities (Details Textual) € in Thousands, $ in Thousands	12 Months Ended
	Jan. 02, 2021 USD ($) Contract	Dec. 28, 2019 USD ($)	Dec. 29, 2018 USD ($)	Jan. 02, 2021 EUR (€) Contract
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Interest expense	$ 13,286	$ 15,387	$ 13,876
Net investment hedge reclassified from AOCI into income	164
Carrying value of total long term non-revolving debt	206,770	92,488
loss on derivative hedge recorded in AOCI as a part of currency translation adjustment	7,246
Europe [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Carrying value of total long term non-revolving debt	$ 109,909
Revolving Credit Facility [Member] \| Europe [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Net investment hedge \| €				€ 90,000
Forward Foreign Exchange Contracts [Member] \| Derivatives Not Designated as Hedging Instruments [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative instrument, notional amount \| €				€ 51,798
Derivative contract expire date	Jul. 31, 2022
Derivative, number of instruments held \| Contract	12			12
Cash Flow Hedging [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Interest expense	$ 13,286	$ 15,387
Cash Flow Hedging [Member] \| Interest Rate Swap Contract [Member] \| Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative instrument, notional amount	195,000
Net investment hedge reclassified from AOCI into income	$ 3,978
Cash Flow Hedging [Member] \| Interest Rate Swap Contract [Member] \| Minimum [Member] \| Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative contract expire date	Apr. 30, 2023
Cash Flow Hedging [Member] \| Interest Rate Swap Contract [Member] \| Maximum [Member] \| Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative contract expire date	Oct. 31, 2025