Impairment Of Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended	3 Months Ended
Jul. 01, 2012	Apr. 01, 2012	Apr. 01, 2012 Vascular [Member]	Apr. 01, 2012 Anesthesia/Respiratory [Member]	Apr. 01, 2012 Cardiac [Member]
Goodwill [Line Items]
Impairment of goodwill	$ 332,128	$ 332,000	$ 220,000	$ 107,000	$ 5,000

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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+ Details