Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 28, 2020	Dec. 28, 2019
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 1,642	$ 1,891
Property and equipment, accumulated depreciation	195,045	179,791
Other intangible assets, accumulated amortization	$ 245,753	$ 232,060
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000	5,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized	5,000	5,000
Common stock, shares issued	5,000	5,000
Common stock, shares outstanding	5,000	5,000