Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Summary of Impact on Condensed Consolidated Statement of Income due to Adoption of Topic 606 (Detail)

v3.10.0.1
Significant Accounting Policies - Summary of Impact on Condensed Consolidated Statement of Income due to Adoption of Topic 606 (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Revenue Initial Application Period Cumulative Effect Transition [Line Items]        
Net sales $ 1,285.5 $ 1,146.9 $ 2,462.4 $ 2,249.0
Cost of sales 235.4 218.8 475.3 423.4
Gross profit 1,050.1 928.1 1,987.1 1,825.6
Royalty overrides 349.8 318.9 687.1 634.0
Selling, general, and administrative expenses 510.2 443.2 970.3 881.8
Other operating income (1.7) (38.9) (17.9) (38.9)
Operating income 191.8 204.9 347.6 348.7
Interest expense, net 44.3 37.9 84.2 68.1
Other expense, net 4.7 0.0 29.1 0.0
Income before income taxes 142.8 167.0 234.3 280.6
Income taxes 48.4 29.4 57.8 57.8
Net income 94.4 $ 137.6 176.5 $ 222.8
Accounting Standards Update 2014-09 [Member]        
Revenue Initial Application Period Cumulative Effect Transition [Line Items]        
Net sales 1,285.5   2,462.4  
Cost of sales 235.4   475.3  
Gross profit 1,050.1   1,987.1  
Royalty overrides 349.8   687.1  
Selling, general, and administrative expenses 510.2   970.3  
Other operating income (1.7)   (17.9)  
Operating income 191.8   347.6  
Interest expense, net 44.3   84.2  
Other expense, net 4.7   29.1  
Income before income taxes 142.8   234.3  
Income taxes 48.4   57.8  
Net income 94.4   176.5  
Accounting Standards Update 2014-09 [Member] | Impact due to ASC 606 [Member]        
Revenue Initial Application Period Cumulative Effect Transition [Line Items]        
Net sales (5.1)   (13.1)  
Cost of sales 0.1   (0.4)  
Gross profit (5.2)   (12.7)  
Royalty overrides 0.2   (1.0)  
Selling, general, and administrative expenses (5.5)   (11.1)  
Operating income 0.1   (0.6)  
Income before income taxes 0.1   (0.6)  
Income taxes 0.1      
Net income     (0.6)  
Accounting Standards Update 2014-09 [Member] | Without Adoption of Topic 606 [Member]        
Revenue Initial Application Period Cumulative Effect Transition [Line Items]        
Net sales 1,280.4   2,449.3  
Cost of sales 235.5   474.9  
Gross profit 1,044.9   1,974.4  
Royalty overrides 350.0   686.1  
Selling, general, and administrative expenses 504.7   959.2  
Other operating income (1.7)   (17.9)  
Operating income 191.9   347.0  
Interest expense, net 44.3   84.2  
Other expense, net 4.7   29.1  
Income before income taxes 142.9   233.7  
Income taxes 48.5   57.8  
Net income $ 94.4   $ 175.9