Acquisitions (Schedule Of Allocation Of Acquisition Costs To Assets Acquired And Liabilities Assumed) (Details) (USD $) In Thousands	Jun. 30, 2011
Accounts receivable	$ 27,278
Inventory	62,035
Other current assets, net of cash acquired	6,748
Property, plant and equipment	45,961
Goodwill	220,565
Intangible assets	135,426
Other assets	3,889
Total assets acquired	501,902
Total liabilities assumed	(53,131)
Net assets acquired	448,771
Advanced Thin Films, LLC [Member]
Accounts receivable	947
Inventory	852
Other current assets, net of cash acquired	73
Property, plant and equipment	5,019
Goodwill	16,687
Intangible assets	11,435
Total assets acquired	35,013
Total liabilities assumed	(527)
Net assets acquired	34,486
Microfluidics International Corporation [Member]
Accounts receivable	1,760
Inventory	2,226
Other current assets, net of cash acquired	1,129
Property, plant and equipment	567
Goodwill	4,420
Intangible assets	9,717
Other assets	1,915
Total assets acquired	21,734
Total liabilities assumed	(3,200)
Net assets acquired	18,534
CVI Melles Griot [Member]
Accounts receivable	24,571
Inventory	58,957
Other current assets, net of cash acquired	5,546
Property, plant and equipment	40,375
Goodwill	199,458
Intangible assets	114,274
Other assets	1,974
Total assets acquired	445,155
Total liabilities assumed	(49,404)
Net assets acquired	$ 395,751