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Acquisitions (Details) - USD ($) |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Jan. 30, 2015 | Jul. 01, 2013 | Apr. 04, 2015 | Oct. 03, 2015 | Jan. 03, 2015
Acquisition |  |  |  |  |
Payment of earn-out for the first annual period |  |  |  | $ 4,464,000 |
Purchase price allocation |  |  |  |  |
Goodwill |  |  |  | 263,925,000 | $ 228,781,000
Bluegiga |  |  |  |  |
Acquisition |  |  |  |  |
Cash consideration | $ 58,000,000 |  |  |  |
Amount of initial consideration held in escrow by the company as security for breaches of representations and warranties and certain other expressly enumerated matters | 9,400,000 |  |  |  |
Purchase price allocation |  |  |  |  |
Intangible assets | 25,450,000 |  |  |  |
Cash and cash equivalents | 1,132,000 |  |  |  |
Other current assets | 6,156,000 |  |  |  |
Goodwill | 35,145,000 |  |  |  |
Other non-current assets | 208,000 |  |  |  |
Current liabilities | (3,289,000) |  |  |  |
Non-current deferred tax liabilities, net | (4,328,000) |  |  |  |
Long-term debt | (2,232,000) |  |  |  |
Other non-current liabilities | (220,000) |  |  |  |
Total purchase price | $ 58,022,000 |  |  |  |
Acquisition-related costs recorded in selling, general and administrative expenses |  |  |  | $ 1,200,000 |
Discount rate applicable to the cash flows (as a percent) | 16.10% |  |  |  |
Bluegiga | Developed technology |  |  |  |  |
Purchase price allocation |  |  |  |  |
Intangible assets | $ 12,190,000 |  |  |  |
Weighted-Average Amortization Period | 8 years |  |  |  |
Bluegiga | Customer relationships |  |  |  |  |
Purchase price allocation |  |  |  |  |
Intangible assets | $ 6,670,000 |  |  |  |
Weighted-Average Amortization Period | 4 years |  |  |  |
Bluegiga | Trademarks |  |  |  |  |
Purchase price allocation |  |  |  |  |
Intangible assets | $ 880,000 |  |  |  |
Weighted-Average Amortization Period | 3 years |  |  |  |
Bluegiga | In-process research and development |  |  |  |  |
Purchase price allocation |  |  |  |  |
Intangible assets | $ 5,710,000 |  |  |  |
Energy Micro |  |  |  |  |
Acquisition |  |  |  |  |
Cash consideration |  |  | $ 20,000,000 |  |
Purchase price of acquisition |  | $ 140,600,000 |  |  |
Initial consideration |  | 107,400,000 |  |  |
Deferred consideration in the form of a promissory note, fair value |  | 19,200,000 |  |  |
Earn-Out, fair value |  | $ 14,000,000 |  |  |
Earn out period |  | 5 years |  |  |
Maximum annual Earn-Out payment |  | $ 6,666,666 |  |  |
Minimum revenue in single fiscal year from Earn-Out products required to make the entire Earn-Out amount payable |  | 400,000,000 |  |  |
Amount of initial consideration held in escrow by the company as security for breaches of representations and warranties and certain other expressly enumerated matters |  | $ 20,300,000 |  |  |
Percentage of Earn-Out contingent on the continued employment of certain key employees |  | 28.76% |  |  |
Period of continued employment of key employees for calculating Earn-out portion following acquisition date |  | 3 years |  |  |
Payment of earn-out for the first annual period |  |  | 6,300,000 |  |
Earn-out payment representing the Departure Percentage portion and recorded as compensation expense |  |  | 1,800,000 |  |
Remaining Earn-out payment representing additional consideration |  |  | $ 4,500,000 |  |

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- Definition Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
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- Definition Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
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