Consolidated Statements of Equity (USD $) In Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Noncontrolling Interests [Member]
Balance at Dec. 31, 2011	$ 1,547.3	$ 67.3	$ 181.4	$ 1,843.7	$ (174.6)	$ (386.9)	$ 16.4
Net earnings	314.6			306.1			8.5
Other comprehensive income (loss)	50.4				50.4
Cash dividends	(81.5)us-gaap_DividendsCommonStockCash			(81.5)
Dividend reinvestment plan and other	(7.9)	0.1	1.3	(1.3)			(8.0)
Stock compensation plans	66.0sna_StockCompensationPlans		13.7			52.3
Share repurchases	(78.1)					(78.1)
Tax benefit from certain stock options	8.2		8.2
Balance at Dec. 29, 2012	1,819.0	67.4	204.6	2,067.0	(124.2)	(412.7)	16.9
Net earnings	359.7			350.3			9.4
Other comprehensive income (loss)	79.4				79.4
Cash dividends	(92.0)us-gaap_DividendsCommonStockCash			(92.0)
Dividend reinvestment plan and other	(10.3)			(1.2)			(9.1)
Stock compensation plans	47.4sna_StockCompensationPlans		10.7			36.7
Share repurchases	(82.6)					(82.6)
Tax benefit from certain stock options	9.8		9.8
Balance at Dec. 28, 2013	2,130.4	67.4	225.1	2,324.1	(44.8)	(458.6)	17.2
Net earnings	432.1			421.9			10.2
Other comprehensive income (loss)	(203.4)				(203.4)
Cash dividends	(107.6)us-gaap_DividendsCommonStockCash			(107.6)
Dividend reinvestment plan and other	(11.1)			(1.2)			(9.9)
Stock compensation plans	50.3sna_StockCompensationPlans		15.7			34.6
Share repurchases	(79.3)					(79.3)
Tax benefit from certain stock options	13.9		13.9
Balance at Jan. 03, 2015	$ 2,225.3	$ 67.4	$ 254.7	$ 2,637.2	$ (248.2)	$ (503.3)	$ 17.5

Net earnings excluding net loss attributable to a redeemable noncontrolling interest.

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Stock compensation plans.

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Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Value of stock issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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