Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jun. 28, 2020	Dec. 29, 2019
Statement of Financial Position [Abstract]
Accumulated depreciation and amortization	$ 653.5	$ 623.9
Preferred stock, par value (in USD per share)	$ 0.01	$ 0.01
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	125,000,000	125,000,000
Common stock, shares, issued (in shares)	37,697,865	37,697,865
Common stock, shares outstanding (in shares)	36,856,873	36,547,966
Treasury stock (in shares)	840,992	1,149,899

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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