pre_text: the fair value of acquired property , plant and equipment , primarily network-related assets , was valued under the replacement cost method , which determines fair value based on the replacement cost of new property with similar capacity , adjusted for physical deterioration over the remaining useful life . goodwill is calculated as the excess of the consideration transferred over the net assets recognized and represents the future economic benefits arising from the other assets acquired that could not be individually identified and separately recognized . goodwill is not deductible for tax purposes . pro forma financial information the following table presents the unaudited pro forma combined results of operations of the company and gdcl for the years ended december 31 , 2016 and december 31 , 2015 as if the acquisition of gdcl had occurred on january 1 , 2016 and january 1 , 2015 , respectively , ( in millions , except per share amounts ) : .
post_text: the company did not adjust the effects of an $ 884 million goodwill impairment charge reported in the historic results of gdcl for the year ended december 31 , 2015 on the basis that the goodwill impairment charge was not directly attributable to the acquisition of gdcl by the company . however , this goodwill impairment charge should be highlighted as unusual and non- recurring . the pro forma results are based on estimates and assumptions , which the company believes are reasonable . they are not necessarily indicative of its consolidated results of operations in future periods or the results that actually would have been realized had we been a combined company during the periods presented . the pro forma results include adjustments primarily related to amortization of acquired intangible assets , depreciation , interest expense , and transaction costs expensed during the period . other acquisitions on november 18 , 2014 , the company completed the acquisition of an equipment provider for a purchase price of $ 22 million . during the year ended december 31 , 2015 , the company completed the purchase accounting for this acquisition , recognizing $ 6 million of goodwill and $ 12 million of identifiable intangible assets . these identifiable intangible assets were classified as completed technology to be amortized over five years . during the year ended december 31 , 2015 , the company completed the acquisitions of two providers of public safety software-based solutions for an aggregate purchase price of $ 50 million , recognizing an additional $ 31 million of goodwill , $ 22 million of identifiable intangible assets , and $ 3 million of acquired liabilities related to these acquisitions . the $ 22 million of identifiable intangible assets were classified as : ( i ) $ 11 million completed technology , ( ii ) $ 8 million customer-related intangibles , and ( iii ) $ 3 million of other intangibles . these intangible assets will be amortized over periods ranging from five to ten years . on november 10 , 2016 , the company completed the acquisition of spillman technologies , a provider of comprehensive law enforcement and public safety software solutions , for a gross purchase price of $ 217 million . as a result of the acquisition , the company recognized $ 140 million of goodwill , $ 115 million of identifiable intangible assets , and $ 38 million of acquired liabilities . the identifiable intangible assets were classified as $ 49 million of completed technology , $ 59 million of customer- related intangibles , and $ 7 million of other intangibles and will be amortized over a period of seven to ten years . as of december 31 , 2016 , the purchase accounting is not yet complete . the final allocation may include : ( i ) changes in fair values of acquired goodwill and ( ii ) changes to assets and liabilities . during the year ended december 31 , 2016 , the company completed the acquisition of several software and service-based providers for a total of $ 30 million , recognizing $ 6 million of goodwill , $ 15 million of intangible assets , and $ 9 million of tangible net assets related to the these acquisitions . the $ 15 million of identifiable intangible assets were classified as : ( i ) $ 7 million of completed technology and ( ii ) $ 8 million of customer-related intangibles and will be amortized over a period of five years . as of december 31 , 2016 , the purchase accounting has not been completed for one acquisition which was purchased in late 2016 . as such , an amount of $ 11 million has been recorded within other assets as of december 31 , 2016 . the purchase accounting is expected to be completed in the first quarter of 2017 . the results of operations for these acquisitions have been included in the company 2019s condensed consolidated statements of operations subsequent to the acquisition date . the pro forma effects of these acquisitions are not significant individually or in the aggregate. .
table: Years ended December 31 2016 2015
table: Revenues $6,109 $6,239
table: Earnings from continuing operations 586 (166)
table: Basic earnings per share from continuing operations 3.46 (0.83)
table: Diluted earnings per share from continuing operations 3.39 (0.82)
question: Analyse this data from a financial earnings document. what was the profit margin in 2016