CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 03, 2015	Mar. 28, 2014
Cash flows from operating activities:
Consolidated net income	$ 3,446us-gaap_ProfitLoss	$ 990us-gaap_ProfitLoss
Less: Loss from discontinued operations, net of tax		1,866
Income from continuing operations	3,446	2,856
Adjustments to reconcile income from continuing operations to net cash provided by operating activities of continuing operations:
Depreciation and amortization	4,762	4,829
Provision for inventory excess and obsolescence	516us-gaap_InventoryWriteDown	465us-gaap_InventoryWriteDown
Share-based compensation	1,597us-gaap_ShareBasedCompensation	1,439us-gaap_ShareBasedCompensation
Deferred income taxes	(103)us-gaap_DeferredIncomeTaxExpenseBenefit	(1,990)us-gaap_DeferredIncomeTaxExpenseBenefit
Earnings from equity-method investment	(727)	(573)
Non-cash restructuring and acquisition related charges	288	171
Other	415us-gaap_OtherNoncashIncomeExpense	437us-gaap_OtherNoncashIncomeExpense
Changes in assets and liabilities which (used) provided cash, excluding effects from businesses purchased or classified as discontinued operations:
Accounts receivable	(5,096)	(4,919)
Inventories	(3,975)us-gaap_IncreaseDecreaseInInventories	1,449us-gaap_IncreaseDecreaseInInventories
Prepaid expenses, income taxes receivable and other current assets	649	388
Accounts payable, accrued expenses, income taxes payable and other current liabilities	4,660	(2,519)
Other non-current assets and liabilities	(390)	763
Cash provided by operating activities of continuing operations	6,042	2,796
Cash used in operating activities of discontinued operations		(1,299)
Cash provided by operating activities	6,042	1,497
Cash flows from investing activities:
Purchases of property, plant and equipment	(946)	(972)
Acquisition of businesses, net of cash acquired	(13,852)	(92,360)
Proceeds from the sale of property, plant and equipment	23	38
Cash used in investing activities of continuing operations	(14,775)	(93,294)
Cash used in investing activities of discontinued operations		(617)
Cash used in investing activities	(14,775)	(93,911)
Cash flows from financing activities:
Borrowings under revolving credit facility	13,000us-gaap_ProceedsFromIssuanceOfDebt	70,000us-gaap_ProceedsFromIssuanceOfDebt
Repayments of long-term debt and revolving credit facility	(4,875)us-gaap_RepaymentsOfDebt	(4,875)us-gaap_RepaymentsOfDebt
Payments for debt issuance costs		(712)us-gaap_PaymentsOfDebtIssuanceCosts
Payments of withholding taxes from stock-based awards	(1,352)	(1,371)
Capital lease payments	(201)	(246)
Other financing activities	159	395
Cash provided by financing activities of continuing operations	6,731	63,191
Cash provided by financing activities of discontinued operations	0	0
Cash provided by financing activities	6,731	63,191
Effect of exchange rates on cash and cash equivalents	(1,602)	(16)
Decrease in cash and cash equivalents	(3,604)	(29,239)
Cash and cash equivalents, beginning of period	51,146	60,980
Cash and cash equivalents, end of period	47,542	31,741
Supplemental disclosure of cash flow information:
Cash paid for interest	975us-gaap_InterestPaid	489us-gaap_InterestPaid
Cash paid for income taxes	1,559us-gaap_IncomeTaxesPaid	1,026us-gaap_IncomeTaxesPaid
Income tax refunds received	16us-gaap_ProceedsFromIncomeTaxRefunds
Supplemental disclosure of non-cash financing activity:
Assets acquired under capital lease obligations	$ 17us-gaap_CapitalLeaseObligationsIncurred

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