gain on business divestitures and impairments , net we strive to have a number one or number two market position in each of the markets we serve , or have a clear path on how we will achieve a leading market position over time . where we cannot establish a leading market position , or where operations are not generating acceptable returns , we may decide to divest certain assets and reallocate resources to other markets . asset or business divestitures could result in gains , losses or asset impairment charges that may be material to our results of operations in a given period . during 2018 , we recorded a net gain on business divestitures , net of asset impairments of $ 44.9 million . during 2017 , we recorded a net gain on business divestitures , net of asset impairments of $ 27.1 million . we also recorded a gain on business divestitures of $ 6.8 million due to the transfer of ownership of the landfill gas collection and control system and the remaining post-closure and environmental liabilities associated with one of our divested landfills . during 2016 , we recorded a charge to earnings of $ 4.6 million primarily related to environmental costs associated with one of our divested landfills . during 2016 , we also recorded a net gain related to a business divestiture of $ 4.7 million . restructuring charges in january 2018 , we eliminated certain positions following the consolidation of select back-office functions , including but not limited to the integration of our national accounts support functions into our existing corporate support functions . these changes include a reduction in administrative staffing and the closure of certain office locations . during 2018 , we incurred restructuring charges of $ 26.4 million that primarily consisted of severance and other employee termination benefits , the closure of offices with non-cancelable lease agreements , and the redesign of our back-office functions and upgrades to certain of our software systems . we paid $ 24.7 million during 2018 related to these restructuring efforts . in january 2016 , we realigned our field support functions by combining our three regions into two field groups , consolidating our areas and streamlining select operational support roles at our phoenix headquarters . additionally , in the second quarter of 2016 , we began the redesign of our back-office functions as well as the consolidation of over 100 customer service locations into three customer resource centers . the redesign of our back-office functions and upgrades to certain of our software systems continued into 2018 . during the years ended december 31 , 2017 and 2016 , we incurred $ 17.6 million and $ 40.7 million of restructuring charges , respectively , that primarily consisted of severance and other employee termination benefits , transition costs , relocation benefits , and the closure of offices with lease agreements with non-cancelable terms . the savings realized from these restructuring efforts have been reinvested in our customer-focused programs and initiatives . interest expense the following table provides the components of interest expense , including accretion of debt discounts and accretion of discounts primarily associated with environmental and risk insurance liabilities assumed in acquisitions ( in millions of dollars ) : .

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Row 1: , 2018, 2017, 2016
Row 2: interest expense on debt and capital lease obligations, $ 349.4, $ 324.8, $ 324.1
Row 3: non-cash interest, 41.2, 43.6, 53.4
Row 4: less : capitalized interest, -6.8 ( 6.8 ), -6.5 ( 6.5 ), -6.2 ( 6.2 )
Row 5: total interest expense, $ 383.8, $ 361.9, $ 371.3
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total interest expense for 2018 increased compared to 2017 primarily due to the increase in debt outstanding during the period and higher interest rates on floating rate debt . total interest expense for 2017 decreased .

Question: what was the growth in the interest expense on debt and capital lease obligations from 2017 to 2018
Program: subtract(349.4, 324.8), divide(#0, 324.8)
Answer: 0.07574