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Discontinued Operations and Divestitures - Additional Information (Detail) - USD ($)			1 Months Ended	3 Months Ended			6 Months Ended
	Jul. 14, 2017	Mar. 09, 2017	Jun. 30, 2016	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration on sale of business							$ 1,901,700,000	$ 236,400,000
Goodwill impairment							17,100,000
Winter Sport Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Write down of carrying value of net asset				$ 59,100,000			59,100,000
Goodwill impairment				12.6			12.6
Impairment of other intangible assets				46.5			46.5
Subsequent Event [Member] | Winter Sport Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Selling price of business	$ 240,000,000
Fire Building Business [Member] | Royal Oak [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Write down of carrying value of net asset				$ 14,900,000			$ 14,900,000
Tools [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration on sale of business		$ 1,950,000,000
Disposal group, including discontinued operations, net assets of disposal group		1,100,000,000
Goodwill, written off related to sale of business unit		$ 711,000,000
Disposal group, not discontinued operation, gain (loss) on disposal					$ 771,000,000
Tools [Member] | Net Sales [Member] | Product Concentration [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Concentration percentage				0.00%		5.00%	1.50%	7.10%
Decor [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, not discontinued operation, gain (loss) on disposal								$ 160,000,000
Selling price of business			$ 270,000,000
Decor [Member] | Net Sales [Member] | Product Concentration [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Concentration percentage						1.70%		2.70%

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