Condensed Consolidated Cash Flow Statements (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jul. 03, 2016	Jun. 28, 2015
Cash flows from operating activities:
Net income	$ 58,175	$ 1,955
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	75,445	75,654
Share-based compensation	8,587	9,891
Tax benefit related to share-based compensation	(116)	(5,288)
Changes in operating assets and liabilities, net of the effects of currency exchange rate changes and acquired businesses:
Receivables	(3,750)	(6,250)
Inventories	368	(11,837)
Accounts payable	(20,730)	(43,689)
Accrued liabilities	(39,356)	(4,363)
Accrued taxes	(17,759)	(10,214)
Other assets	2,457	(1,736)
Other liabilities	(2,867)	923
Net cash provided by operating activities	60,454	5,046
Cash flows from investing activities:
Capital expenditures	(25,124)	(27,224)
Cash used to acquire businesses, net of cash acquired	(17,848)	(695,345)
Proceeds from disposal of tangible assets	41	80
Net cash used for investing activities	(42,931)	(722,489)
Cash flows from financing activities:
Payments under borrowing arrangements	(51,250)	(625)
Cash dividends paid	(4,204)	(4,235)
Withholding tax payments for share-based payment awards, net of proceeds from the exercise of stock options	(3,598)	(11,439)
Borrowings under credit arrangements		200,000
Debt issuance costs paid		(643)
Tax benefit related to share-based compensation	116	5,288
Net cash provided by (used for) financing activities	(58,936)	188,346
Effect of foreign currency exchange rate changes on cash and cash equivalents	434	(3,646)
Decrease in cash and cash equivalents	(40,979)	(532,743)
Cash and cash equivalents, beginning of period	216,751	741,162
Cash and cash equivalents, end of period	$ 175,772	$ 208,419