Other Expense (Income), Net (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 28, 2019	Dec. 30, 2017	Dec. 29, 2018
Other Income and Expenses [Abstract]
Employee termination and recruitment costs in connection with Value Creation Plan	$ 8.6
Reversal of previously recognized stock-based compensation expense related to forfeited awards	4.1	$ 0.7
Accrued expenses related to contingent consideration	$ 4.3		$ 4.3
Accounts receivable, narrative disclosure	For the year ended December 29, 2018, loss represents a bad debt reserve for notes receivable associated with a previously sold business. The face amount of the notes was $1.4 million, which represented the Company's cash investment in the notes. The notes had accelerated payment terms that entitled the Company to a multiple-times payout of the face amount of the notes. The accelerated payment terms were originally fair-valued at $3.4 million. The Company had received cash payments on the notes of $2.2 million through December 29, 2018, and a further $0.3 million was received in 2019.

Other Income and Expenses [Abstract]

Reversal of previously recognized stock-based compensation expense related to forfeited awards

4.1

$ 0.7

Accounts receivable, narrative disclosure

For the year ended December 29, 2018, loss represents a bad debt reserve for notes receivable associated with a previously sold business. The face amount of the notes was $1.4 million, which represented the Company's cash investment in the notes. The notes had accelerated payment terms that entitled the Company to a multiple-times payout of the face amount of the notes. The accelerated payment terms were originally fair-valued at $3.4 million. The Company had received cash payments on the notes of $2.2 million through December 29, 2018, and a further $0.3 million was received in 2019.