Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions	Jan. 02, 2016	Jan. 03, 2015
Statement of Financial Position [Abstract]
Allowance for trade receivables	$ 11.3	$ 11.6
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100.0	100.0
Common stock, shares issued (in shares)	44.7	44.7
Common stock, shares outstanding (in shares)	44.7	44.7