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v3.10.0.1

Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Net sales |  |  |
Products | $ 3,392.3 | $ 3,529.0 | $ 3,717.1
Services | 801.4 | 602.4 | 612.4
Total net sales | 4,193.7 | 4,131.4 | 4,329.5
Cost of sales |  |  |
Products | 2,829.0 | 2,827.3 | 2,971.0
Services | 600.3 | 432.1 | 423.8
Total cost of sales | 3,429.3 | 3,259.4 | 3,394.8
Operating expenses |  |  |
Selling, general and administrative expenses | 372.1 | 423.8 | 466.7
Depreciation and amortization | 230.7 | 232.5 | 277.1
Restructuring, impairment and transaction-related charges | 103.6 | 60.4 | 73.6
Total operating expenses | 4,135.7 | 3,976.1 | 4,212.2
Operating income | 58.0 | 155.3 | 117.3
Interest expense | 73.3 | 71.1 | 77.2
Net pension income | (12.4) | (9.6) | (5.1)
Loss (gain) on debt extinguishment | 0.0 | 2.6 | (14.1)
Earnings (loss) before income taxes and equity in (earnings) loss of unconsolidated entity | (2.9) | 91.2 | 59.3
Income tax (benefit) expense | (9.8) | (16.0) | 13.0
Earnings before equity in (earnings) loss of unconsolidated entity | 6.9 | 107.2 | 46.3
Equity in (earnings) loss of unconsolidated entity | (1.0) | 0.0 | 1.4
Net earnings | 7.9 | 107.2 | 44.9
Less: net loss attributable to noncontrolling interests | (0.6) | 0.0 | 0.0
Net earnings attributable to Quad common shareholders | $ 8.5 | $ 107.2 | $ 44.9
Earnings per share attributable to Quad common shareholders |  |  |
Basic (in dollars per share) | $ 0.17 | $ 2.16 | $ 0.94
Diluted (in dollars per share) | $ 0.16 | $ 2.07 | $ 0.90
Weighted average number of common shares outstanding |  |  |
Basic (in shares) | 49.8 | 49.6 | 47.9
Diluted (in shares) | 51.6 | 51.8 | 49.8

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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1448-109256 + Details
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Period Type: | duration