Stockholders' Equity, Capital Stock and Cash Dividends (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2017	Oct. 01, 2017	Jul. 02, 2017	Apr. 02, 2017	Dec. 31, 2018	Jan. 31, 2019
Capital Stock [Abstract]
Common stock, shares authorized (in shares)	100,000,000				100,000,000				100,000,000
Common stock, par value (in dollars per share)	$ 0.10				$ 0.10				$ 0.10
Common stock, shares outstanding (in shares)	35,190,343				35,374,345				35,190,343
Preferred stock, shares authorized (in shares)	1,000,000				1,000,000				1,000,000
Preferred stock, shares issued (in shares)	0				0				0
Preferred stock, shares outstanding (in shares)	0				0				0
Cash Dividends [Abstract]
Cash dividends paid									$ 7.1
Cash dividends paid (in dollars per share)	$ 0.05	$ 0.05	$ 0.05	$ 0.05	$ 0.05	$ 0.05	$ 0.05	$ 0.05	$ 0.20
Dividend Declared 2018 Q1 [Member]
Cash Dividends [Abstract]
Cash dividend declared										$ 1.7
Cash dividend declared (in dollars per share)										$ 0.05