General (Detail 2) - USD ($) $ in Millions	Oct. 03, 2015	Jan. 03, 2015	Sep. 27, 2014	Dec. 28, 2013
Accounting Changes and Error Corrections
Deferred Tax Assets, Net, Noncurrent	$ 312.4	$ 320.9
Total Assets	4,248.9	4,370.1
Long-term retirement benefits and other liabilities	622.2	648.3
Retained earnings	2,244.3	2,116.5
Accumulated other comprehensive loss	(655.1)	(542.3)	$ (349.6)	$ (281.2)
Total shareholders' equity	1,055.3	1,050.9
Total liabilities and shareholders' equity	$ 4,248.9	4,370.1
As Previously Reported
Accounting Changes and Error Corrections
Deferred Tax Assets, Net, Noncurrent		311.0
Total Assets		4,360.2
Long-term retirement benefits and other liabilities		622.8
Retained earnings		2,137.1
Accumulated other comprehensive loss		(547.3)
Total shareholders' equity		1,066.5
Total liabilities and shareholders' equity		4,360.2
Adjustments
Accounting Changes and Error Corrections
Deferred Tax Assets, Net, Noncurrent		9.9
Total Assets		9.9
Long-term retirement benefits and other liabilities		25.5
Retained earnings		(20.6)
Accumulated other comprehensive loss		5.0
Total shareholders' equity		(15.6)
Total liabilities and shareholders' equity		$ 9.9