pre_text: A discussion of operating income by reportable segment is presented below (in millions): AMER. Operating income increased $19.2 million in fiscal 2019 as compared to fiscal 2018, primarily as a result of the increase in net sales and a positive shift in customer mix, partially offset by increased fixed costs to support new program ramps. APAC. Operating income decreased $5.7 million in fiscal 2019 as compared to fiscal 2018, primarily as a result of a negative shift in customer mix and increased fixed costs to support new program ramps, partially offset by the increase in net sales. EMEA. Operating income increased $3.0 million in fiscal 2019 as compared to fiscal 2018 primarily as a result of the increase in net sales and a positive shift in customer mix, partially offset by increased fixed costs to support new program ramps. Other expense. Other expense for fiscal 2019 increased $5.4 million as compared to fiscal 2018. The increase in other expense for fiscal 2019 was primarily due to a $2.7 million decrease in interest income as a result of lower cash balances and a $1.5 million increase in factoring fees related to the Company's accounts receivable sale programs.
table: 2019 2018
table: Operating income (loss):
table: AMER  $57.8 $38.6
table: APAC  208.2 213.9
table: EMEA  4.5 1.5
table: Corporate and other costs  (128.4) (135.7)
table: Total operating income $142.1 $118.3
question: Analyse this data from a financial earnings document. What was the percentage change in the total operating income between 2018 and 2019?