CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Jun. 28, 2014	Dec. 28, 2013
CONDENSED CONSOLIDATED BALANCE SHEETS
Trade accounts receivable, allowances (in dollars)	$ 31.6	$ 31.6
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, authorized shares	400,000,000	400,000,000
Common stock, issued shares	124,126,624	124,126,624
Common stock, outstanding shares	94,113,941	96,178,411
Treasury stock, shares	30,012,683	27,948,213