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Intangible Assets and Goodwill (Details) (USD $)
3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Customer contracts and contractual relationships
Dec. 31, 2013
Intellectual Property [Member]
Dec. 31, 2013
LDT
Sep. 30, 2012
LDT
Dec. 31, 2012
LDT
Dec. 31, 2013
LDT
Building Improvements
Sep. 30, 2012
LDT
Building Improvements
Dec. 31, 2013
LDT
Machinery
Dec. 31, 2013
LDT
Software
Sep. 30, 2012
LDT
Software
Dec. 31, 2013
MID
Dec. 31, 2012
MID
Sep. 30, 2013
CTO
Dec. 31, 2013
CTO
Dec. 31, 2012
CTO
Dec. 31, 2013
CRI
Dec. 31, 2013
CRI
Dec. 31, 2012
CRI
Dec. 31, 2012
All Other
Dec. 31, 2013
All Other
Dec. 31, 2012
Minimum
Dec. 31, 2012
Maximum
Goodwill information                                                  
Tangible asset impairment charges                 $ 3,500,000 $ 5,800,000 $ 500,000 $ 200,000 $ 600,000                        
Impairment charge       1,500,000   4,000,000 15,400,000 15,400,000                     1,500,000            
Impairment charge for tangible and intangible assets 9,700,000           21,800,000                                    
Remaining long-lived assets           12,900,000                         99,400,000 99,400,000          
Fair value of goodwill                           19,900,000         97,000,000 97,000,000          
Percentage of fair value in excess of carrying amount                           480.00%         44.00% 44.00%          
Discount rates for key assumptions used in applying income approach                           14.00%   36.00%       21.00%       20.00% 35.00%
Terminal growth rate for key assumptions used in applying income approach   3.00%                                              
Assets held for sale         2,300,000                                        
Goodwill information for each reporting unit                                                  
Balance at the beginning of the period   124,969,000 115,148,000                     19,905,000 4,454,000   8,070,000 0   96,994,000 96,994,000 13,700,000 0    
Addition to goodwill   0 23,521,000                     0 15,451,000   0 8,070,000   0 0 0      
Goodwill impairment charge   8,070,000 13,700,000       13,700,000             0 0 8,100,000 8,070,000 0   0 0 13,700,000      
Balance at the end of the period $ 116,899,000 $ 116,899,000 $ 124,969,000                     $ 19,905,000 $ 19,905,000   $ 0 $ 8,070,000 $ 96,994,000 $ 96,994,000 $ 96,994,000 $ 0 $ 0