CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2016	Mar. 29, 2015
Cash flows from operating activities of continuing operations
Net income	$ 50,868	$ 38,570
Adjustments to reconcile net income to net cash provided by operating activities:
Loss from discontinued operations	312	703
Depreciation expense	12,602	10,915
Amortization expense of intangible assets	15,357	14,740
Amortization expense of deferred financing costs and debt discount	4,377	4,195
Gain on sale of assets	(1,019)	0
Changes in contingent consideration	377	382
Stock-based compensation	3,437	3,832
Deferred income taxes, net	756	1,085
Other	(3,114)	(4,294)
Changes in operating assets and liabilities, net of effects of acquisitions and disposals:
Accounts receivable	(10,568)	(21,906)
Inventories	(5,104)	(14,578)
Prepaid expenses and other current assets	(3,749)	(4,756)
Accounts payable and accrued expenses	4,502	3,819
Income taxes receivable and payable, net	(2,202)	9,651
Net cash provided by operating activities from continuing operations	66,832	42,358
Cash flows from investing activities of continuing operations:
Expenditures for property, plant and equipment	(7,822)	(14,445)
Proceeds from sale of assets	1,251	0
Payments for businesses and intangibles acquired, net of cash acquired	0	(7,375)
Net cash used in investing activities from continuing operations	(6,571)	(21,820)
Cash flows from financing activities of continuing operations:
Proceeds from new borrowings	0	30,000
Reduction in borrowings	(9)	(52)
Net proceeds from share based compensation plans and the related tax impacts	3,180	(289)
Payments for contingent consideration	(61)	(3,989)
Dividends paid	(14,179)	(14,118)
Net cash used in financing activities from continuing operations	(11,069)	11,552
Cash flows from discontinued operations:
Net cash used in operating activities	(126)	(1,126)
Net cash used in discontinued operations	(126)	(1,126)
Effect of exchange rate changes on cash and cash equivalents	5,126	(25,441)
Net increase in cash and cash equivalents	54,192	5,523
Cash and cash equivalents at the beginning of the period	338,366	303,236
Cash and cash equivalents at the end of the period	$ 392,558	$ 308,759