Condensed Consolidated Balance Sheets (Parenthetical) $ in Millions	Sep. 29, 2023 USD ($) $ / shares shares	Sep. 29, 2023 € / shares	Dec. 30, 2022 USD ($) $ / shares shares	Dec. 30, 2022 € / shares
Allowance for doubtful accounts | $	$ 4.8		$ 4.4
Preferred shares, par value (in usd per share) | $ / shares	$ 0.01		$ 0.01
Preferred shares, shares authorized (in shares)	500,000,000		500,000,000
Preferred shares, shares issued (in shares)	0		0
Preferred shares, shares outstanding (in shares)	0		0
Ordinary shares, par value (in usd per share) | $ / shares	$ 0.01		$ 0.01
Ordinary shares, shares authorized (in shares)	500,000,000		500,000,000
Ordinary shares, shares issued (in shares)	13,478,506		13,170,932
Ordinary shares, shares outstanding (in shares)	13,357,313		13,170,932
Ordinary A
Ordinary shares, par value (in usd per share) | € / shares		€ 1.00		€ 1.00
Ordinary shares, shares authorized (in shares)	40,000		40,000
Ordinary shares, shares issued (in shares)	0		0.00
Ordinary A shares, shares outstanding (in shares)	0		0