Acquisitions and Acquisition Related Contingent Consideration (Tables)
 6 Months Ended
Jun. 28, 2014
Business Combinations [Abstract]  
Schedule of identified assets acquired and liabilities assumed
The following table summarizes the fair value of assets acquired and liabilities assumed in the acquisition of Jasper:
 
(In thousands)
Cash and cash equivalents
$
28,678

Property, plant and equipment
520

Other assets
4,362

Acquired intangibles:
 
Existing technology
68,200

Agreements and relationships
13,600

Tradenames and trademarks
900

In-process technology
10,300

Goodwill
81,269

Total assets acquired
$
207,829

Deferred revenue
(11,900
)
Other liabilities
(7,719
)
Long-term deferred tax liabilities
(20,002
)
Net assets acquired
$
168,208