Consolidated Condensed Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 26, 2016	Jan. 02, 2016	Mar. 28, 2015
Statement of Financial Position [Abstract]
Accounts receivable allowance	$ 42.7	$ 44.4	$ 40.8
Common stock, par value	$ 1	$ 1	$ 1
Common stock, shares authorized	320,000,000	320,000,000	320,000,000
Common stock, shares issued (including treasury shares)	105,567,828	103,915,928	103,856,676
Treasury shares	5,892,172	5,457,726	668,988