Business Combinations (Preliminary Allocation) (Details) - Enterasys Networks, Inc. $ in Thousands	Sep. 30, 2014 USD ($)
Business Acquisition [Line Items]
Cash	$ 7,397
Receivables	23,271
Inventory	33,662
Other current assets	7,374
Property and equipment	21,293
Identifiable intangible assets	108,900
In-process research and development	3,000
Deferred tax assets	9
Other assets	7,343
Goodwill	70,877
Current liabilities	(81,535)
Other long-term liabilities	(14,194)
Total purchase price allocation	187,397
Less: Cash acquired from acquisition	(7,397)
Total purchase price consideration, net of cash acquired	$ 180,000