The following tables show summarized financial information for the three and six months ended June 30, 2019 and 2018, related to our reportable segments:



(in millions)	Utility		Other		Wisconsin Public Service Corporation
Three Months Ended June 30, 2019
Operating revenues	$	320.9	$	—	$	320.9
Other operation and maintenance	96.9		—		96.9
Depreciation and amortization	40.8		—		40.8
Operating income	59.8		—		59.8
Other income, net	9.5		0.4		9.9
Interest expense	15.3		—		15.3



(in millions)	Utility		Other			Wisconsin Public Service Corporation
Three Months Ended June 30, 2018
Operating revenues	$	350.1	$	—		$	350.1
Other operation and maintenance	105.2		0.2			105.4
Depreciation and amortization	33.6		—			33.6
Operating income (loss)	72.6		(0.2		)	72.4
Other income, net	7.9		0.9			8.8
Interest expense	13.2		—			13.2



(in millions)	Utility		Other		Wisconsin Public Service Corporation
Six Months Ended June 30, 2019
Operating revenues	$	716.7	$	—	$	716.7
Other operation and maintenance	201.3		—		201.3
Depreciation and amortization	81.1		—		81.1
Operating income	120.4		—		120.4
Other income, net	18.5		0.7		19.2
Interest expense	31.4		—		31.4



(in millions)	Utility		Other			Wisconsin Public Service Corporation
Six Months Ended June 30, 2018
Operating revenues	$	743.7	$	—		$	743.7
Other operation and maintenance	207.9		0.2			208.1
Depreciation and amortization	69.5		—			69.5
Operating income (loss)	141.9		(0.3		)	141.6
Other income, net	16.8		1.3			18.1
Interest expense	26.0		—			26.0