Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.2.0.727
Commitments and Contingencies - Additional Information (Details)
 1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2015
USD ($)
Aug. 31, 2013
USD ($)
claim
Jun. 30, 2015
USD ($)
Jun. 30, 2015
USD ($)
Sep. 30, 2013
claim
Loss Contingencies [Line Items]          
Agreement term to repurchase certain products shipped to distributor from date of shipment (after 90 days)       90 days  
Pre-1972 Recording Matters [Member]          
Loss Contingencies [Line Items]          
Settlement of lawsuit       $ 210,000,000  
Ownership percentage acquired by plaintiff       80.00%  
Litigation settlement asset     $ 102,342,000 $ 102,342,000  
Pre-1972 Recording Matters [Member] | Revenue Share And Royalties [Member]          
Loss Contingencies [Line Items]          
Litigation settlement expense     107,658,000 107,658,000  
Pre-1972 Recording Matters [Member] | Accounts Payable And Accrued Expenses [Member]          
Loss Contingencies [Line Items]          
Litigation settlement liability     210,000,000 210,000,000  
Pre-1972 Recording Matters [Member] | Other Current Assets [Member]          
Loss Contingencies [Line Items]          
Litigation settlement asset     38,665,000 38,665,000  
Pre-1972 Recording Matters [Member] | Other Long-Term Assets [Member]          
Loss Contingencies [Line Items]          
Litigation settlement asset     63,677,000 63,677,000  
Pre-1972 Recording Matters [Member] | Pending Litigation [Member]          
Loss Contingencies [Line Items]          
Number of pending claims | claim   3     1
Pre-1972 Recording Matters [Member] | Scenario, Forecast [Member]          
Loss Contingencies [Line Items]          
Settlement of lawsuit $ 210,000,000        
Sound Exchange, Inc | Pending Litigation [Member]          
Loss Contingencies [Line Items]          
Compensatory damages sought   $ 100,000,000      
Telephone Consumer Protection Act Suits [Member] | Pending Litigation [Member]          
Loss Contingencies [Line Items]          
Statutory damages sought per violation       $ 500  
Maximum [Member]          
Loss Contingencies [Line Items]          
Operating lease obligations, term       15 years  
Maximum [Member] | Telephone Consumer Protection Act Suits [Member] | Pending Litigation [Member]          
Loss Contingencies [Line Items]          
Treble damages sought per willful violation       $ 1,500  
Minimum [Member]          
Loss Contingencies [Line Items]          
Operating lease obligations, term       1 year  
Minimum [Member] | Pre-1972 Recording Matters [Member] | Pending Litigation [Member]          
Loss Contingencies [Line Items]          
Compensatory damages sought   100,000,000      
Minimum [Member] | Sound Exchange, Inc | Pending Litigation [Member]          
Loss Contingencies [Line Items]          
Compensatory damages sought   $ 50,000,000      
XM-5, FM-5, FM-6, XM-3, and XM-4 [Member]          
Loss Contingencies [Line Items]          
Operating performance over design life       15 years  
XM-4 [Member]          
Loss Contingencies [Line Items]          
Period beyond expected operating performance of design life for XM-4       5 years  
XM-4 [Member] | Maximum [Member]          
Loss Contingencies [Line Items]          
Additional payments required if XM-4 continues to operate above baseline specifications     $ 10,000,000 $ 10,000,000