Segment assets are not reviewed by the company s chief operating decision maker and therefore are not disclosed below (amounts in millions). For the Year Ended December 31, 2012 Home Health Hospice Other Total Net service revenue $ 1,198.0 $ 289.9 $   $ 1,487.9 Cost of service, excluding depreciation and amortization 691.1 150.0   841.1 General and administrative expenses 350.8 72.4 112.1 535.3 Provision for doubtful accounts 17.8 3.9   21.7 Depreciation and amortization 13.9 1.5 24.5 39.9 Goodwill and other intangibles impairment charge 161.6 0.5   162.1 Operating expenses 1,235.2 228.3 136.6 1,600.1 Operating (loss) income $ (37.2 ) $ 61.6 $ (136.6 ) $ (112.2 ) For the Year Ended December 31, 2011 Home Health Hospice Other Total Net service revenue $ 1,250.5 $ 217.8 $   $ 1,468.3 Cost of service, excluding depreciation and amortization 664.0 116.6   780.6 General and administrative expenses 340.2 50.0 135.5 525.7 Provision for doubtful accounts 12.3 1.2   13.5 Depreciation and amortization 14.0 0.7 23.9 38.6 Goodwill and other intangibles impairment charge 579.9     579.9 Operating expenses 1,610.4 168.5 159.4 1,938.3 Operating (loss) income $ (359.9 ) $ 49.3 $ (159.4 ) $ (470.0 ) For the Year Ended December 31, 2010 Home Health Hospice Other Total Net service revenue $ 1,462.5 $ 138.6 $   $ 1,601.1 Cost of service, excluding depreciation and amortization 719.9 74.1   794.0 General and administrative expenses 376.4 34.3 132.6 543.3 Provision for doubtful accounts 17.7 1.0   18.7 Depreciation and amortization 14.3 0.5 19.0 33.8 Operating expenses 1,128.3 109.9 151.6 1,389.8 Operating income (loss) $ 334.2 $ 28.7 $ (151.6 ) $ 211.3