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Consolidated Statement of Operations - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Profit or loss [abstract] |  |  |
Revenue | $ 5,634.7 | $ 5,748.1 | $ 5,888.3
Cost of sales | 5,147.7 | 5,310.5 | 5,503.6
Gross profit | 487.0 | 437.6 | 384.7
Selling, general and administrative expenses (SG&A) | 245.1 | 230.7 | 227.3
Research and development | 38.4 | 29.9 | 28.4
Amortization of intangible assets | 25.5 | 25.6 | 29.6
Other charges (recoveries) | 10.3 | 23.5 | (49.9)
Earnings from operations | 167.7 | 127.9 | 149.3
Finance costs | 31.7 | 37.7 | 49.5
Earnings before income taxes | 136.0 | 90.2 | 99.8
Income tax expense (recovery) |  |  |
Current | 40.9 | 32.9 | 22.8
Deferred | (8.8) | (3.3) | 6.7
Income tax expense | 32.1 | 29.6 | 29.5
Net earnings | $ 103.9 | $ 60.6 | $ 70.3
Basic earnings per share (in dollars per share) | $ 0.82 | $ 0.47 | $ 0.54
Diluted earnings per share (in dollars per share) | $ 0.82 | $ 0.47 | $ 0.53
Shares used in computing per share amounts (in millions): |  |  |
Basic (in shares) | 126.7 | 129.1 | 131.0
Diluted (in shares) | 126.7 | 129.1 | 131.8

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