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Business combinations (Estimated Purchase Price) (Details) (USD $) In Thousands, unless otherwise specified | 6 Months Ended |  | 0 Months Ended
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Jun. 30, 2013 | Oct. 31, 2013 Enterasys Networks, Inc.
Business Acquisition [Line Items] |  |  |  |
Cash |  |  |  | $ 4,969
Receivables |  |  |  | 25,699
Inventory |  |  |  | 33,662
Other current assets |  |  |  | 8,888
Property and equipment |  |  |  | 23,122
Identifiable intangible assets |  |  |  | 108,900
In-process research and development |  |  |  | 3,000
Deferred tax assets |  |  |  | 9
Other assets |  |  |  | 7,343
Goodwill | 57,922 |  | 0 | 57,922
Current liabilities |  |  |  | (75,394)
Other long term liabilities |  |  |  | (13,151)
Total purchase price allocation |  |  |  | 184,969
Less: Cash acquired from acquisition |  |  |  | (4,969)
Total purchase price consideration, net of cash acquired | $ 180,000 | $ 0 |  | $ 180,000

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