Condensed Consolidated Statements of Comprehensive Income - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Oct. 01, 2016
Oct. 03, 2015
Oct. 01, 2016
Oct. 03, 2015
Income Statement [Abstract]        
Net sales $ 1,093.0 $ 991.9 $ 3,405.5 $ 3,119.6
Cost of sales 783.3 710.2 2,460.4 2,254.7
Selling, general and administrative expense 150.3 135.6 451.7 414.0
Research and development expense 34.5 30.3 104.2 92.2
Restructuring and integration charges 2.4 0.0 8.8 0.0
Operating earnings 122.5 115.8 380.4 358.7
Equity earnings 1.4 1.2 3.2 3.2
Other income, net 0.8 1.2 1.7 4.4
Earnings before interest and income taxes 124.7 118.2 385.3 366.3
Interest expense (7.0) (7.0) (20.8) (21.0)
Interest income 0.4 0.7 1.2 1.7
Earnings before income taxes 118.1 111.9 365.7 347.0
Income tax provision 32.8 39.7 109.1 110.6
Net earnings from continuing operations 85.3 72.2 256.6 236.4
Discontinued operations:        
Earnings from discontinued operations, net of tax 0.1 0.9 1.7 1.5
Gain on disposal of discontinued operations, net of tax 0.0 2.8 [1] 0.0 12.8 [1]
Earnings from discontinued operations, net of tax 0.1 3.7 1.7 14.3
Net earnings $ 85.4 $ 75.9 $ 258.3 $ 250.7
Basic        
Earnings from continuing operations (in dollars per share) $ 0.94 $ 0.78 $ 2.80 $ 2.54
Earnings from discontinued operations (in dollars per share) 0.00 0.04 0.02 0.15
Net earnings (in dollars per share) 0.94 0.82 2.82 2.69
Diluted        
Earnings from continuing operations (in dollars per share) 0.93 0.77 2.78 2.50
Earnings from discontinued operations (in dollars per share) 0.00 0.04 0.02 0.15
Net earnings (in dollars per share) $ 0.93 $ 0.81 $ 2.80 $ 2.65
Weighted Average Number of Shares Outstanding, Diluted [Abstract]        
Basic earnings per common share (in shares) 91.1 92.7 91.5 93.3
Diluted earnings per common share (in shares) 91.9 94.0 92.4 94.5
Comprehensive income $ 88.7 $ 71.0 $ 272.4 $ 228.4
Cash dividends declared per share $ 0.15 $ 0.125 $ 0.45 $ 0.375
[1] (A) The Gain on disposal of discontinued operations, net of tax for the three months ended October 3, 2015 includes a pre-tax gain of $4.4 million and a net tax provision of $1.6 million. The Gain on disposal of discontinued operations for the nine months ended October 3, 2015 includes a pre-tax and after-tax gain of $12.8 million.