CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2017	Mar. 27, 2016
Cash flows from operating activities of continuing operations:
Net income	$ 40,170	$ 50,868
Adjustments to reconcile net income to net cash provided by operating activities:
Loss (income) from discontinued operations	179	312
Depreciation expense	14,180	12,602
Amortization expense of intangible assets	18,785	15,357
Amortization expense of deferred financing costs and debt discount	1,406	4,377
Loss on extinguishment of debt	5,582	0
Gain on sale of assets	0	(1,019)
Fair value step up of acquired inventory sold	7,832	0
Changes in contingent consideration	179	377
Stock-based compensation	4,240	3,437
Deferred income taxes, net	(3,081)	756
Other	(2,703)	(3,114)
Changes in operating assets and liabilities, net of effects of acquisitions and disposals:
Accounts receivable	18,691	(10,568)
Inventories	(5,322)	(5,104)
Prepaid expenses and other current assets	(1,224)	(3,749)
Accounts payable and accrued expenses	2,696	4,502
Income taxes receivable and payable, net	(10,670)	(2,202)
Net cash provided by operating activities from continuing operations	90,940	66,832
Cash flows from investing activities of continuing operations:
Expenditures for property, plant and equipment	(12,894)	(7,822)
Proceeds from sale of assets	6,332	1,251
Payments for businesses and intangibles acquired, net of cash acquired	(975,524)	0
Net cash used in investing activities from continuing operations	(982,086)	(6,571)
Cash flows from financing activities of continuing operations:
Proceeds from new borrowings	1,194,500	0
Reduction in borrowings	(138,251)	(9)
Debt extinguishment, issuance and amendment fees	(19,114)	0
Net proceeds from share based compensation plans and the related tax impacts	(505)	3,180
Payments for contingent consideration	(79)	(61)
Dividends paid	(15,287)	(14,179)
Net cash provided by (used in) financing activities from continuing operations	1,021,264	(11,069)
Cash flows from discontinued operations:
Net cash used in operating activities	(266)	(126)
Net cash used in discontinued operations	(266)	(126)
Effect of exchange rate changes on cash and cash equivalents	15,488	5,126
Net increase in cash and cash equivalents	145,340	54,192
Cash and cash equivalents at the beginning of the period	543,789	338,366
Cash and cash equivalents at the end of the period	689,129	392,558
Non cash financing activities of continuing operations:
Settlement and exchange of convertible notes with common or treasury stock	958	5
Acquisition of treasury stock associated with settlement and exchange of convertible note hedge and warrant agreements	$ 19,311	$ 11