Segment Information, Operations By Geographic Area And Customer Concentration (Schedule Of Reportable Segment And Reconciliation Of Segment Contribution Income To Income Before Income Taxes) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||||||||
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Jun. 30, 2013
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Jul. 01, 2012
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Jun. 30, 2013
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Jul. 01, 2012
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Segment Reporting Information [Line Items] | ||||||||||
Total net revenues | $ 357,719 | $ 320,655 | $ 651,118 | $ 646,275 | ||||||
Total segment contribution income | 50,327 | 47,597 | 92,247 | 99,644 | ||||||
Corporate and unallocated costs | (13,558) | (12,201) | (26,024) | (23,564) | ||||||
Amortization of intangible assets | (4,872) | [1] | (1,016) | [1] | (6,343) | [1] | (1,963) | [1] | ||
Stock-based compensation expense | (4,391) | (3,395) | (7,981) | (6,787) | ||||||
Restructuring and other charges | (1,587) | 0 | (1,557) | 0 | ||||||
Acquisition related compensation | (214) | 0 | (924) | 0 | ||||||
Impact to cost of sales from acquisition accounting adjustments to inventory | (568) | 0 | (568) | 0 | ||||||
Litigation reserves, net | (3,555) | 0 | (3,603) | (151) | ||||||
Interest income | 95 | 116 | 244 | 235 | ||||||
Other income (expense), net | (548) | 354 | (474) | (247) | ||||||
Income before income taxes | 21,129 | 31,455 | 45,017 | 67,167 | ||||||
Retail [Member]
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Segment Reporting Information [Line Items] | ||||||||||
Total net revenues | 117,395 | 113,824 | 243,717 | 242,801 | ||||||
Total segment contribution income | 15,761 | 18,559 | 34,379 | 44,831 | ||||||
Segment contribution margin (in percentage) | 13.40% | 16.30% | 14.10% | 18.50% | ||||||
Commercial [Member]
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Segment Reporting Information [Line Items] | ||||||||||
Total net revenues | 88,446 | 80,626 | 159,297 | 155,258 | ||||||
Total segment contribution income | 20,476 | 19,429 | 34,287 | 32,274 | ||||||
Segment contribution margin (in percentage) | 23.20% | 24.10% | 21.50% | 20.80% | ||||||
Service Provider [Member]
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Segment Reporting Information [Line Items] | ||||||||||
Total net revenues | 151,878 | 126,205 | 248,104 | 248,216 | ||||||
Total segment contribution income | $ 14,090 | $ 9,609 | $ 23,581 | $ 22,539 | ||||||
Segment contribution margin (in percentage) | 9.30% | 7.60% | 9.50% | 9.10% | ||||||
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