Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 04, 2015	Mar. 29, 2014
Cash flows from operating activities:
Net income including noncontrolling interest	$ 19,822us-gaap_ProfitLoss	$ 22,491us-gaap_ProfitLoss
Adjustments to reconcile net income including noncontrolling interest to net cash provided by operating activities:
Depreciation and amortization	3,777	3,043
Share-based compensation	2,894us-gaap_ShareBasedCompensation	2,601us-gaap_ShareBasedCompensation
Loss on disposal of property and equipment	0	2
Provision for doubtful accounts	51us-gaap_ProvisionForDoubtfulAccounts	232us-gaap_ProvisionForDoubtfulAccounts
Provision for deferred income taxes	0us-gaap_DeferredIncomeTaxExpenseBenefit	2,926us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax benefit from exercise of stock options granted prior to January 1, 2006	455	24
Excess tax deficit (benefit) from share-based compensation arrangements	56	(31)
Changes in operating assets and liabilities:
Decrease in accounts receivable	2,777	2,469
(Increase) decrease in inventories	(88)us-gaap_IncreaseDecreaseInInventories	1,288us-gaap_IncreaseDecreaseInInventories
Decrease (increase) in deferred cost of goods sold	444	(2,687)
(Increase) decrease in prepaid income taxes	(104)us-gaap_IncreaseDecreaseInPrepaidTaxes	2,832us-gaap_IncreaseDecreaseInPrepaidTaxes
Increase in other assets	(6,700)	(4,217)
(Decrease) increase in accounts payable	(3,053)	5,881
Decrease in accrued compensation	(10,817)	(6,996)
Increase (decrease) in accrued liabilities	7,183	(6,587)
Increase in income taxes payable	411	156
Increase in deferred revenue	1,949	929
Increase (decrease) in other liabilities	67	(130)
Net cash provided by operating activities	19,124	24,226
Cash flows from investing activities:
Purchases of property and equipment	(17,218)	(3,045)
Increase in intangible assets	(679)	(886)
Net cash used in investing activities	(17,897)	(3,931)
Cash flows from financing activities:
Repayments of capital lease obligations	(69)	(77)
Proceeds from issuance of common stock	4,612	1,918
Excess tax (deficit) benefit from share-based compensation arrangements	(56)	31
Repurchases of common stock	(2,154)	0
Issuance (repurchases) of equity by noncontrolling interest, net of equity issued	3	(42)
Net cash provided by financing activities	2,336	1,830
Effect of foreign currency exchange rates on cash	(2,296)	(62)
Net increase in cash and cash equivalents	1,267	22,063
Cash and cash equivalents at beginning of period	134,453	95,466
Cash and cash equivalents at end of period	$ 135,720	$ 117,529

Reductions in the entity's income taxes that arise when compensation cost from stock options granted prior to adoption of ASC 718 recognized on the entity's tax return exceeds compensation cost from non-qualified stock options recognized on the income statement. This element increases net cash provided by operating activities.

No definition available.