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Consolidated Statements of Income and Comprehensive Income - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Income Statement [Abstract] |  |  |  |
Net sales | $ 1,417.4 | $ 1,454.3 | $ 2,818.4 | $ 2,880.0
Cost of sales | (1,097.3) | (1,136.6) | (2,199.3) | (2,285.3)
Gross profit | 320.1 | 317.7 | 619.1 | 594.7
Selling, general, and administrative expenses | (114.8) | (115.9) | (229.1) | (233.2)
Other expense, net | (5.1) | (4.2) | (9.0) | (6.8)
Income from operations | 200.2 | 197.6 | 381.0 | 354.7
Interest expense, net | (22.5) | (22.2) | (44.1) | (41.4)
Income before taxes | 177.7 | 175.4 | 336.9 | 313.3
Income tax provision | (61.8) | (61.4) | (117.3) | (108.5)
Net income | $ 115.9 | $ 114.0 | $ 219.6 | $ 204.8
Net income per common share: |  |  |  |
Basic (in dollars per share) | $ 1.23 | $ 1.16 | $ 2.32 | $ 2.09
Diluted (in dollars per share) | 1.23 | 1.16 | 2.32 | 2.08
Dividends declared per common share (in dollars per share) | $ 0.55 | $ 0.55 | $ 1.10 | $ 1.10
Statements of Comprehensive Income: |  |  |  |
Net income | $ 115.9 | $ 114.0 | $ 219.6 | $ 204.8
Foreign currency translation adjustment | 0.0 | 4.2 | 0.0 | 2.8
Reclassification adjustments to cash flow hedges included in net income, net of tax of $0.6 million, $0.5 million, $1.1 million, and $1.1 million | 0.8 | 0.9 | 1.7 | 1.7
Amortization of pension and postretirement plans actuarial loss and prior service cost, net of tax of $1.0 million, $1.4 million, $2.0 million, and $2.8 million | 1.6 | 2.2 | 3.2 | 4.4
Changes in unfunded employee benefit obligations net of tax of $2.0 million and $2.0 million | 3.1 | 0.0 | 3.1 | 0.0
Other comprehensive income | 5.5 | 7.3 | 8.0 | 8.9
Comprehensive income | $ 121.4 | $ 121.3 | $ 227.6 | $ 213.7

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