The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Long-Lived Assets - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Property, Plant and Equipment [Line Items]
Proceeds from disposal of real estate			$ 13,000	$ 3,136,000
Depreciation expense	11,400,000	12,100,000	20,900,000	21,700,000
Amortization of intangibles	15,795,000	13,105,000	27,536,000	26,082,000
Broadcast Solutions [Member]
Property, Plant and Equipment [Line Items]
Proceeds from disposal of real estate				1,000,000
Gain (loss) recognized on the sale				(300,000)
Enterprise Connectivity Solutions [Member]
Property, Plant and Equipment [Line Items]
Proceeds from disposal of real estate				2,100,000
Gain (loss) recognized on the sale				$ 0