Quarterly report pursuant to Section 13 or 15(d)

Disposals (Details)

v3.7.0.1
Disposals (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2016
CommerceHub | Disposal Group, Not Discontinued Operations [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Revenue $ 22.0 $ 44.0
Disposal Group Net Earnings (Loss) 2.0  
Expedia | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Earnings (loss) before income taxes 3.0 (25.0)
Income tax (expense) benefit   12.0
Bodybuilding | Disposal Group, Not Discontinued Operations [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Revenue 112.0 228.0
Disposal Group Net Earnings (Loss) $ 3.0 $ 4.0
Liberty Ventures common stock    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share $ 0.02 $ (0.09)
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share $ 0.02 $ (0.09)
Maximum | CommerceHub | Disposal Group, Not Discontinued Operations [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Disposal Group Net Earnings (Loss)   $ 1.0