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Business Segments and Geographic Information - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 28, 2013
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Jun. 29, 2013
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Mar. 30, 2013
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Dec. 29, 2012
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Sep. 29, 2012
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Jun. 23, 2012
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Mar. 24, 2012
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Dec. 24, 2011
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Sep. 28, 2013
Segment
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Sep. 29, 2012
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Sep. 24, 2011
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| Segment Reporting Disclosure [Line Items] | ||||||||||||||
| Number of reportable segments | 4 | |||||||||||||
| Revenues | $ 622,118 | $ 626,136 | $ 612,663 | $ 631,362 | $ 588,548 | [1] | $ 470,228 | $ 471,165 | $ 472,711 | $ 2,492,279 | $ 2,002,652 | $ 1,789,349 | ||
| Impairment of goodwill | 1,100,000 | 5,800 | 1,117,369 | 5,826 | ||||||||||
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Diagnostics [Member]
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| Segment Reporting Disclosure [Line Items] | ||||||||||||||
| Revenues | 1,189,819 | 718,064 | 571,263 | |||||||||||
| Impairment of goodwill | 1,117,369 | |||||||||||||
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Breast Health [Member]
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| Segment Reporting Disclosure [Line Items] | ||||||||||||||
| Revenues | 905,076 | 875,771 | 825,551 | |||||||||||
| Impairment of goodwill | ||||||||||||||
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Molecular Diagnostics [Member]
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| Segment Reporting Disclosure [Line Items] | ||||||||||||||
| Impairment of goodwill | 1,100,000 | |||||||||||||
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Molecular Diagnostics [Member] | Diagnostics [Member]
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| Segment Reporting Disclosure [Line Items] | ||||||||||||||
| Impairment of goodwill | 1,100,000 | |||||||||||||
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Mammosite [Member]
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| Segment Reporting Disclosure [Line Items] | ||||||||||||||
| Impairment of goodwill | 5,800 | |||||||||||||
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Intersegment Eliminations [Member]
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| Segment Reporting Disclosure [Line Items] | ||||||||||||||
| Revenues | 0 | |||||||||||||
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Operating Segments [Member] | Mammosite [Member] | Breast Health [Member]
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| Segment Reporting Disclosure [Line Items] | ||||||||||||||
| Impairment of goodwill | 5,800 | |||||||||||||
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Operating Segments [Member] | Foreign Countries [Member]
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| Segment Reporting Disclosure [Line Items] | ||||||||||||||
| Revenues | $ 621,700 | $ 511,200 | $ 414,400 | |||||||||||
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