Supplemental Balance Sheet Information (Selected Balance Sheet) (Details) - USD ($) $ in Millions	Jan. 01, 2017	Jan. 03, 2016
Selected Components of Balance Sheet
Deferred compensation liabilities	$ 47.4	$ 43.9
Prepaid expenses and other current assets
Selected Components of Balance Sheet
Income tax receivable	5.4	28.8
Other assets long-term
Selected Components of Balance Sheet
Deferred compensation assets	48.5	47.9
Accrued liabilities
Selected Components of Balance Sheet
Salaries and wages	90.1	89.5
Customer related accruals, deposits and credits	72.4	47.9
Product warranty reserves	12.5	14.0
Other long-term liabilities
Selected Components of Balance Sheet
Accrued pension obligation	44.0	46.7
Accrued postretirement benefits	8.7	9.6
Deferred tax liabilities	26.8	37.9
Deferred compensation liabilities	$ 47.4	$ 43.9