Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 23 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2018
Dec. 31, 2017
Sep. 30, 2017
Cash Flows from Operating Activities:                
Net gain (loss) $ 6.9 $ 8.0 $ 3.9 $ (4.9)        
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:                
Depreciation and amortization     1.7 3.2        
Stock-based compensation     (0.3) 0.2        
Change in noncontrolling interest     0.0 0.1        
Loss on abandonment of unused property, plant and equipment     0.0 1.1        
Pension settlement and curtailments     0.3 0.0        
Gain on sale of asset     (6.1) (1.0)        
Short term investment     0.7 19.3        
Other, net     0.1 (0.2)        
Changes in operating assets and liabilities     (9.1) (8.0)        
Net cash provided by (used in) operating activities     (8.8) 9.8        
Cash Flows from Investing Activities:                
Capital expenditures     (0.2) (0.9)        
Purchase of equity securities     0.0 (4.0)        
Proceeds from sale of disposal group     5.0 0.0        
Proceeds from sale of assets and business     0.0 0.5        
Net cash used in investing activities     4.8 (4.4)        
Cash Flows from Financing Activities:                
Purchase of treasury stock     0.0 (0.1) $ (0.3)      
Net cash provided by financing activities     0.0 (0.1)        
Net change in cash and cash equivalents     (4.0) 5.3        
Cash, cash equivalents and restricted cash — beginning of period     10.7 21.3        
Cash, cash equivalents and restricted cash — end of period [1] 6.7 26.6 6.7 26.6 6.7      
Supplemental disclosures of cash paid during the period:                
Income taxes (net of refunds received)     0.2 0.0        
Supplemental disclosures of non-cash investing and financing activities:                
Non-cash transaction with Clinton Group, Inc.     0.0 10.1        
Current assets:                
Cash and cash equivalents           $ 6.3 $ 8.7 $ 15.7
Restricted cash included in other current assets           0.0   0.2
Restricted cash included in current assets of discontinued operations           0.0   9.0
Non-current assets:                
Restricted cash included in non-current assets of discontinued operations           0.4   1.7
Total cash, cash equivalents and restricted cash $ 6.7 [1] $ 26.6 [1] $ 10.7 $ 21.3 $ 6.7 [1] $ 6.7 [1] $ 10.7 $ 26.6 [1]
[1] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the condensed consolidated balance sheets Current assets: Cash and cash equivalents $6.3 $15.7Restricted cash included in other current assets — 0.2Restricted cash included in current assets of discontinued operations — 9.0Non-current assets: Restricted cash included in non-current assets of discontinued operations 0.4 1.7Total cash, cash equivalents and restricted cash $6.7 $26.6