v2.4.0.8
Supplemental Guarantor Condensed Consolidating Financial Statements - Schedule of Supplemental Condensed Consolidating Statements of Comprehensive (Loss) Income (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Sep. 28, 2013
Jun. 29, 2013
Mar. 30, 2013
Dec. 29, 2012
Sep. 29, 2012
Jun. 23, 2012
Mar. 24, 2012
Dec. 24, 2011
Sep. 28, 2013
Sep. 29, 2012
Sep. 24, 2011
Schedule of Condensed Consolidating Statement of Comprehensive Income [Line Items]                      
Net (loss) income $ (1,113,902) [1] $ (10,950) [1] $ (51,104) [1] $ 3,118 [1] $ (77,767) [2],[3] $ 23,594 [2] $ (40,273) [2] $ 20,812 [2] $ (1,172,838) $ (73,634) $ 157,150
Foreign currency cumulative translation adjustment                 1,373 6,217 1,088
Adjustment to minimum pension liability, net of taxes                 134 (1,484) 764
Unrealized gain on available-for-sale securities, net of tax                 12,094 62  
Other comprehensive income (loss)                 13,601 4,795 1,852
Comprehensive (loss) income                 (1,159,237) (68,839) 159,002
Parent Company/Issuer [Member]
                      
Schedule of Condensed Consolidating Statement of Comprehensive Income [Line Items]                      
Net (loss) income                 (1,172,838) (73,634) 157,150
Foreign currency cumulative translation adjustment                    836 (1,127)
Adjustment to minimum pension liability, net of taxes                         
Unrealized gain on available-for-sale securities, net of tax                        
Other comprehensive income (loss)                   836 (1,127)
Comprehensive (loss) income                 (1,172,838) (72,798) 156,023
Guarantor Subsidiaries [Member]
                      
Schedule of Condensed Consolidating Statement of Comprehensive Income [Line Items]                      
Net (loss) income                 (1,113,933) 37,385 140,476
Foreign currency cumulative translation adjustment                 658 (527) (121)
Adjustment to minimum pension liability, net of taxes                         
Unrealized gain on available-for-sale securities, net of tax                 12,094 62  
Other comprehensive income (loss)                   (465) (121)
Comprehensive (loss) income                 (1,101,181) 36,920 140,355
Non-Guarantor Subsidiaries [Member]
                      
Schedule of Condensed Consolidating Statement of Comprehensive Income [Line Items]                      
Net (loss) income                 (13,063) (2,640) (3,641)
Foreign currency cumulative translation adjustment                 715 5,908 2,336
Adjustment to minimum pension liability, net of taxes                 134 (1,484) 764
Unrealized gain on available-for-sale securities, net of tax                        
Other comprehensive income (loss)                   4,424 3,100
Comprehensive (loss) income                 (12,214) 1,784 (541)
Eliminations [Member]
                      
Schedule of Condensed Consolidating Statement of Comprehensive Income [Line Items]                      
Net (loss) income                 1,126,996 (34,745) (136,835)
Foreign currency cumulative translation adjustment                         
Adjustment to minimum pension liability, net of taxes                         
Unrealized gain on available-for-sale securities, net of tax                        
Other comprehensive income (loss)                        
Comprehensive (loss) income                 $ 1,126,996 $ (34,745) $ (136,835)
[1] Net income in the first quarter of fiscal 2013 includes a gain on the sale of intellectual property of $53.9 million. Net loss in the second quarter of fiscal 2013 includes restructuring charges of $12.5 million and a debt extingushment loss of $3.2 million. Net loss in the third quarter of fiscal 2013 includes restructuring charges of $6.7 million. Net loss in the fourth quarter of fiscal 2013 includes a goodwill impairment charge of $1.1 billion, restructuring charges of $9.7 million and a debt extinguishment loss of $6.0 million.
[2] Net loss in the second quarter of fiscal 2012 includes a charge for the discontinuance of the Adiana product line of $18.3 million and the loss on debt extinguishment of $42.3 million. See Note 5 for further discussion. Net loss in the fourth quarter of fiscal 2012 includes additional amortization expense from the Gen-Probe acquisition of $29.7 million, direct acquisition transaction costs of $30.7 million, and restructuring charges of $16.7 million, a goodwill impairment charge of $5.8 million and an in-process research and development charge of $4.5 million.
[3] The fourth quarter was a 14-week quarter compared to all other quarters which were 13-week quarters.