CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 28, 2019		Jun. 29, 2018
Cash flows from operating activities:
Consolidated net income	$ 22,633	[1]	$ 24,462	[2]
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	18,114		18,187
Provision for inventory excess and obsolescence	1,426		1,165
Share-based compensation	5,105		3,780
Deferred income taxes	(2,037)		(1,221)
Inventory acquisition fair value adjustments	175
Other	1,294		278
Changes in assets and liabilities which (used)/provided cash, excluding effects from business acquisitions:
Accounts receivable	(3,150)		6,526
Inventories	(8,162)		(6,544)
Prepaid income taxes, income taxes receivable, prepaid expenses and other current assets	(5,168)		(619)
Accounts payable, income taxes payable, accrued expenses and other current liabilities	(10,580)		(5,094)
Other non-current assets and liabilities	1,203		(555)
Cash provided by operating activities	20,853		40,365
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired and working capital adjustments	(28,884)		(27,445)
Purchases of property, plant and equipment	(5,601)		(7,259)
Other investing activities	41		72
Cash used in investing activities	(34,444)		(34,632)
Cash flows from financing activities:
Borrowings under revolving credit facility	23,643		30,272
Repayments of term loan and revolving credit facility	(16,100)		(21,832)
Payments of withholding taxes from stock-based awards	(6,719)		(3,367)
Repurchases of common stock	(3,339)		(1,929)
Acquisition of noncontrolling interest			(148)
Other financing activities	(283)		(284)
Cash provided by (used in) financing activities	(2,798)		2,712
Effect of exchange rates on cash and cash equivalents	439		(1,241)
Increase (decrease) in cash and cash equivalents	(15,950)		7,204
Cash and cash equivalents, beginning of the period	82,043		100,057
Cash and cash equivalents, end of the period	66,093		107,261
Supplemental disclosure of cash flow information:
Cash paid for interest	3,899		4,424
Cash paid for income taxes	7,858		12,041
Income tax refunds received	$ 407		$ 599

[1] 45,252 non-GAAP EPS performance-based 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 June 28, 2019.

[2] 53,968 non-GAAP EPS performance-based 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 June 29, 2018.