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Business combinations | 9 Months Ended
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Mar. 31, 2015
Business Combinations [Abstract] |
Business combinations | Business combinations On October 31, 2013, (the “Acquisition Date”), the Company completed the acquisition of Enterasys Networks, Inc. ("Enterasys"), a privately held provider of wired and wireless network infrastructure and security solutions, for $180.0 million, net of cash acquired. The Company also assumed outstanding options and restricted stock units of Enterasys at the Acquisition Date, all of which were unvested. The acquisition was accounted for using the acquisition method of accounting. The preliminary and final purchase price allocation as of the date of the acquisition is set forth in the table below and reflects various fair value estimates. The following table summarizes the final allocation as of September 30, 2014, of the tangible and identifiable intangible assets acquired and liabilities assumed as compared to the allocation as of December 31, 2013, the quarter in which the transaction was completed (in thousands):
|  | Preliminary Allocation as of December 31, 2013 (Initial allocation) |  | Change during the measurement period |  | Final Allocation as of September 30, 2014
Cash |  | $ | 4,969 |  |  | $ | 2,428 |  | a | $ | 7,397 |
Receivables |  | 25,699 |  |  | (2,428 | ) | a | 23,271 |
Inventory |  | 33,662 |  |  | — |  |  | 33,662 |
Other current assets |  | 8,888 |  |  | (1,514 | ) | b | 7,374 |
Property and equipment |  | 23,122 |  |  | (1,829 | ) | c | 21,293 |
Identifiable intangible assets |  | 108,900 |  |  | — |  | d | 108,900 |
In-process research and development |  | 3,000 |  |  | — |  |  | 3,000 |
Deferred tax assets |  | 9 |  |  | — |  |  | 9 |
Other assets |  | 7,343 |  |  | — |  |  | 7,343 |
Goodwill |  | 57,922 |  |  | 12,955 |  |  | 70,877 |
Current liabilities |  | (75,394 | ) |  | (6,141 | ) | c,e,f | (81,535 | )
Other long-term liabilities |  | (13,151 | ) |  | (1,043 | ) | c | (14,194 | )
Total purchase price allocation |  | $ | 184,969 |  |  | $ | 2,428 |  |  | $ | 187,397 |
Less: Cash acquired from acquisition |  | (4,969 | ) |  | (2,428 | ) | a | (7,397 | )
Total purchase price consideration, net of cash acquired |  | $ | 180,000 |  |  | $ | — |  |  | $ | 180,000 |
a. | The Company finalized the working capital adjustment as of September 30, 2014, which led to a decrease of $2.4 million in receivables and a corresponding increase in cash. As a result of this adjustment, the total cash acquired from the acquisition also increased by the same amount. The net effect of this adjustment is an increase in goodwill of $2.4 million.
b. | The Company obtained new information regarding the existence of prepaid assets as of the acquisition date which led to a decrease in the fair value of current assets of $1.5 million, and a corresponding increase in goodwill. The change in the amortization of prepaid assets due to the change in fair value of current assets was immaterial.
c. | The Company updated its preliminary estimate of the fair value of property and equipment which led to a decrease of $3.0 million in property and equipment with a corresponding increase in goodwill. The Company also updated the fair values of the asset retirement obligations and the related asset retirement assets which led to an increase in the fair value of property and equipment of $1.2 million and a corresponding increase in current liabilities and other long-term liabilities of $0.2 million and $1.0 million, respectively. The decrease in depreciation expense due to the change in fair value of property and equipment was immaterial.
d. | During the nine months ended September 30, 2014, there were no changes to the fair value of the identifiable intangible assets acquired. However, the Company revised the estimated useful life of Order backlog from 1.5 years to 1 year.
e. | The Company obtained new information regarding accruals for litigation and statutory tax assessment as of the acquisition date which led to an increase in the fair value of current liabilities of $5.4 million and a corresponding increase in goodwill.
f. | The Company obtained new information regarding the existence of accrued liabilities as of the acquisition date which led to a net increase in the fair value of accrued liabilities by $0.5 million with a corresponding increase in goodwill.

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- Definition The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1383-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6996-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4922-128472 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4934-128472 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4926-128472 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e7000-128479 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1486-128463 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1497-128463 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1490-128463 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e7008-128479 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1500-128463 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1524-128463 + Details
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