CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2019		Mar. 30, 2018
Cash flows from operating activities:
Consolidated net income	$ 12,253	[1]	$ 12,837	[2]
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	9,074		9,067
Provision for inventory excess and obsolescence	491		810
Share-based compensation	2,727		2,044
Deferred income taxes	(24)		235
Other	29		94
Changes in assets and liabilities which (used)/provided cash, excluding effects from business acquisitions:
Accounts receivable	(5,403)		5,421
Inventories	(2,571)		(7,423)
Prepaid income taxes, income taxes receivable, prepaid expenses and other current assets	(5,174)		3,918
Accounts payable, income taxes payable, accrued expenses and other current liabilities	(6,526)		(6,357)
Other non-current assets and liabilities	581		(237)
Cash provided by operating activities	5,457		20,409
Cash flows from investing activities:
Purchases of property, plant and equipment	(2,429)		(2,933)
Other investing activities	24		52
Cash used in investing activities	(2,405)		(2,881)
Cash flows from financing activities:
Repayments of term loan and revolving credit facility	(4,600)		(5,300)
Payments of withholding taxes from stock-based awards	(5,890)		(2,804)
Finance lease payments	(140)		(142)
Acquisition of noncontrolling interest			(74)
Cash used in financing activities	(10,630)		(8,320)
Effect of exchange rates on cash and cash equivalents	(391)		1,862
Increase (decrease) in cash and cash equivalents	(7,969)		11,070
Cash and cash equivalents, beginning of the period	82,043		100,057
Cash and cash equivalents, end of the period	74,074		111,127
Supplemental disclosure of cash flow information:
Cash paid for interest	1,894		2,142
Cash paid for income taxes	3,262		3,896
Income tax refunds received	$ 262		$ 507

[1] 45,252 non-GAAP EPS performance restricted stock units granted to certain members of the executive management team and 213,219 shares of restricted stock issued to Laser Quantum former non-controlling interest holders are considered contingently issuable shares and are excluded from the calculation of the denominator as the contingent conditions had not been met as of March 29, 2019.

[2] 53,968 non-GAAP EPS performance restricted stock units granted to certain members of the executive management team were considered contingently issuable shares and were excluded from the calculation of the denominator as the contingent conditions had not been met as of March 30, 2018.