Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill By Segment) (Details) (USD $) In Thousands	9 Months Ended
Sep. 25, 2011
Goodwill [Line Items]
Balance at beginning of year	$ 1,442,411
Goodwill related to dispositions	(7,490)
Goodwill related to acquisitions	13,048
Reversal of Arrow integration accrual, net of tax	(81)
Translation adjustment	8,822
Balance at end of period	1,456,710
Goodwill impairment	0
Medical Segment [Member]
Goodwill [Line Items]
Balance at beginning of year	1,434,921
Goodwill related to acquisitions	13,048
Reversal of Arrow integration accrual, net of tax	(81)
Translation adjustment	8,822
Balance at end of period	1,456,710
Former Commercial Segment [Member]
Goodwill [Line Items]
Balance at beginning of year	7,490
Goodwill related to dispositions	$ (7,490)

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

- Definition

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.

+ References

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+ Details

- Definition

The increase (decrease) in the recorded value of goodwill for foreign currency translation adjustments and purchase accounting adjustments needed to revise the carrying amount of goodwill to fair value.

+ References

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