v2.4.0.8

Business Acquisitions (Narrative) (Details) (USD $) | 3 Months Ended | 9 Months Ended |  | 9 Months Ended |  | 0 Months Ended |  | 9 Months Ended |  | 0 Months Ended |  |  | 0 Months Ended |  |  | 0 Months Ended |  | 0 Months Ended |  | 0 Months Ended |  | 9 Months Ended |  | 0 Months Ended |  | 9 Months Ended |  | 0 Months Ended |
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Sep. 29, 2013 | Sep. 30, 2012 | Sep. 29, 2013 | Sep. 30, 2012 | Dec. 31, 2012 | Sep. 29, 2013 Arada Systems [Member] | Jun. 21, 2013 Arada Systems [Member] | Jun. 23, 2013 Arada Systems [Member] Technology [Member] | Jun. 21, 2013 Arada Systems [Member] Technology [Member] | Jun. 21, 2013 Arada Systems [Member] US Federal [Member] | Jun. 21, 2013 Arada Systems [Member] State and Local Jurisdiction [Member] | Sep. 29, 2013 Sierra Wireless AirCard Business [Member] | Apr. 02, 2013 Sierra Wireless AirCard Business [Member] | Apr. 04, 2013 Sierra Wireless AirCard Business [Member] In-Process Research and Development [Member] | Sep. 29, 2013 Sierra Wireless AirCard Business [Member] In-Process Research and Development [Member] | Apr. 02, 2013 Sierra Wireless AirCard Business [Member] In-Process Research and Development [Member] | Apr. 04, 2013 Sierra Wireless AirCard Business [Member] Technology [Member] | Sep. 29, 2013 Sierra Wireless AirCard Business [Member] Technology [Member] | Apr. 02, 2013 Sierra Wireless AirCard Business [Member] Technology [Member] | Apr. 04, 2013 Sierra Wireless AirCard Business [Member] Customer Relationships [Member] | Apr. 02, 2013 Sierra Wireless AirCard Business [Member] Customer Relationships [Member] | Apr. 04, 2013 Sierra Wireless AirCard Business [Member] Noncompete Agreements [Member] | Apr. 02, 2013 Sierra Wireless AirCard Business [Member] Noncompete Agreements [Member] | Apr. 04, 2013 Sierra Wireless AirCard Business [Member] Order Backlog [Member] | Apr. 02, 2013 Sierra Wireless AirCard Business [Member] Order Backlog [Member] | Apr. 02, 2013 Sierra Wireless AirCard Business [Member] US Federal [Member] | Apr. 02, 2013 Sierra Wireless AirCard Business [Member] Foreign Tax Authority [Member] | Apr. 02, 2013 Sierra Wireless AirCard Business [Member] State and Local Jurisdiction [Member] | Sep. 29, 2013 Avaak Inc. [Member] | Sep. 30, 2012 Avaak Inc. [Member] | Jul. 03, 2012 Avaak Inc. [Member] | Jul. 03, 2012 Avaak Inc. [Member] In-Process Research and Development [Member] | Jul. 03, 2012 Avaak Inc. [Member] Technology [Member] | Jul. 03, 2012 Avaak Inc. [Member] Customer Relationships [Member] | Jul. 03, 2012 Avaak Inc. [Member] Trade Names and Trademarks [Member] | Jul. 03, 2012 Avaak Inc. [Member] US Federal [Member] | Jul. 03, 2012 Avaak Inc. [Member] State and Local Jurisdiction [Member] | Sep. 29, 2013 Firetide, Inc. [Member] | Sep. 30, 2012 Firetide, Inc. [Member] | Jun. 04, 2012 Firetide, Inc. [Member] | Jun. 04, 2012 Firetide, Inc. [Member] Technology [Member] | Jun. 04, 2012 Firetide, Inc. [Member] US Federal [Member] | Jun. 04, 2012 Firetide, Inc. [Member] State and Local Jurisdiction [Member]
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  | $ 5,250,000 |  |  |  |  |  | $ 140,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 24,000,000 |  |  |  |  |  |  |  |  | $ 7,200,000 |  |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |
Purchase price, cash paid |  |  |  |  |  | 4,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,400,000 | 21,600,000 |  |  |  |  |  |  |  | 600,000 | 6,600,000 |  |  |  |
Business Acquisition Cost of Acquired Entity, Cash To Be Paid At Future Date |  |  |  |  |  | 1,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  |  |  |  |  |  | 4,040,000 |  | 4,000,000 |  |  |  | 69,700,000 |  |  | 9,500,000 |  |  | 16,300,000 |  | 40,500,000 |  | 2,300,000 |  | 1,100,000 |  |  |  |  |  | 6,000,000 | 2,000,000 | 2,300,000 | 300,000 | 1,400,000 |  |  |  |  | 4,159,000 |  |  |
Goodwill | 155,916,000 |  | 155,916,000 |  | 100,880,000 |  | 1,195,000 |  |  |  |  |  | 53,841,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,895,000 |  |  |  |  |  |  |  |  | 3,041,000 |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  |  |  |  |  |  |  |  | 700,000 | 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 36,600,000 | 2,300,000 | 53,800,000 |  |  |  |  |  |  |  | 0 | 0 |  |  |  |  | 1,600,000 | 3,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,937,000 |  |  |  |  |  |  |  |  |  |  |  |
Discount rate used to calculate present value of future cash flows ( in percentage) |  |  |  |  |  |  |  | 21.50% |  |  |  |  |  | 13.00% |  |  | 10.00% |  |  | 12.00% |  | 12.00% |  | 10.00% |  |  |  |  |  |  |  |  | 14.00% | 14.00% | 16.00% |  |  |  |  |  | 22.00% |  |
Acquired intangible assets, estimated useful life ( in years) |  |  |  |  |  |  |  | 5 years |  |  |  |  |  | 4 years |  |  | 4 years |  |  | 8 years |  | 5 years |  |  |  |  |  |  |  |  |  |  | 5 years | 5 years | 5 years |  |  |  |  |  | 5 years |  |
In Process Research and Development achieving technological feasibility |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,400,000 |  |  | 7,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
IPR&D Reaching Technical Feasibility Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |
Impairment charges | 2,000,000 | 0 | 2,000,000 | 0 |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) | $ 100,000 |  | $ 100,000 |  | $ 1,000,000 |  |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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- Definition Amount of deferred tax asset attributable to deductible temporary differences and carryforwards that are expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired 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=6910749&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired 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=6910749&loc=d3e4845-128472 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e961-128460 + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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