|
Quarterly Statement of Operations Information - Summary of Quarterly Results of Operations (Parenthetical) (Detail) (USD $)
|
3 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 28, 2013
|
Jun. 29, 2013
|
Mar. 30, 2013
|
Dec. 29, 2012
|
Sep. 29, 2012
|
Mar. 24, 2012
|
Mar. 24, 2011
|
Sep. 28, 2013
|
Sep. 29, 2012
|
Sep. 24, 2011
|
|
| Quarterly Financial Information Disclosure [Abstract] | ||||||||||
| Gain on sale of intellectual property | $ 53,900,000 | $ 84,500,000 | $ 53,884,000 | $ 12,424,000 | $ 84,502,000 | |||||
| Loss on debt extinguishment | 6,000,000 | 3,200,000 | 42,300,000 | (9,209,000) | (42,347,000) | (29,891,000) | ||||
| Impairment of goodwill | 1,100,000,000 | 5,800,000 | 1,117,369,000 | 5,826,000 | ||||||
| Restructuring charges | 9,700,000 | 6,700,000 | 12,500,000 | 16,700,000 | 32,805,000 | 17,515,000 | (71,000) | |||
| In-process research and development expense | 4,500,000 | 4,500,000 | ||||||||
| Direct acquisition transaction costs | 30,700,000 | |||||||||
| Divestiture charges | 18,300,000 | |||||||||
| Amortization expense from the Gen-Probe acquisition | $ 29,700,000 | |||||||||