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Discontinued Operations and Divestitures - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 14, 2017
Mar. 09, 2017
Jun. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Goodwill impairment           $ 0.0  
Pre-tax loss on sale of business           712.3 $ 160.4
Cash consideration on sale of business           2,101.4 $ 235.8
Winter Sport Business [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Selling price of business $ 240.0            
Write down of carrying value of net asset           59.1  
Goodwill impairment           12.6  
Impairment of other intangible assets           46.5  
Winter Sport Business [Member] | Other Expense (Income), Net [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Pre-tax loss on sale of business       $ 48.0   48.0  
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           15.3  
Tools [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Cash consideration on sale of business   $ 1,950.0          
Disposal group, including discontinued operations, net assets of disposal group   1,100.0          
Goodwill, written off related to sale of business unit   $ 711.0          
Disposal group, not discontinued operation, gain (loss) on disposal           $ 771.0  
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         4.50%   5.90%
Decor [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Cash consideration on sale of business     $ 224.0        
Disposal group, not discontinued operation, gain (loss) on disposal             $ 160.0
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             1.60%