Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 02, 2017	Dec. 03, 2016	Nov. 28, 2015
Cash flows from operating activities from continuing operations:
Net income including non-controlling interests	$ 58,290	$ 124,382	$ 87,097
Loss from discontinued operations, net of tax			1,300
Adjustments to reconcile net income including non-controlling interests to net cash provided by operating activities:
Depreciation	51,072	49,189	48,305
Amortization	36,243	28,495	26,984
Deferred income taxes	(20,936)	5,344	6,645
(Income) from equity method investments, net of dividends received	(2,640)	(3,701)	(3,042)
Share-based compensation	17,503	13,344	14,156
Pension and other postretirement benefit plan contributions	(4,704)	(6,572)	(4,645)
Pension and other postretirement benefit plan income (expense)	(6,069)	11,634	(3,572)
Excess tax benefit from share-based compensation	(2,010)	(1,641)	(1,433)
Non-cash (gain) loss on mark to market adjustment related to contingent consideration liability	(4,233)	(6,032)	3,145
Non-cash charge for the sale of inventories revalued at the date of acquisition	11,289	528	2,416
Change in assets and liabilities, net of effects of acquisitions:
Trade receivables, net	(26,826)	1,874	(12,038)
Inventories	(10,560)	(3,495)	(4,588)
Other assets	(12,986)	(8,383)	11,991
Trade payables	44,365	(12,292)	5,794
Accrued compensation	12,249	879	5,982
Other accrued expenses	9,809	(5,548)	9,691
Income taxes payable	14,973	1,707	1,369
Other liabilities	(14,685)	20,105	4,923
Other	(8,778)	29,495	22,633
Net cash provided by operating activities from continuing operations	140,790	195,688	210,529
Cash flows from investing activities from continuing operations:
Purchased property, plant and equipment	(54,934)	(63,310)	(58,624)
Purchased businesses, net of cash acquired	(1,745,415)	(52,547)	(217,572)
Purchased investments	(1,250)
Proceeds from litigation award			12,049
Proceeds from sale of property, plant and equipment	672	4,332	5,326
Net cash used in investing activities from continuing operations	(1,800,927)	(111,525)	(258,821)
Cash flows from financing activities from continuing operations:
Proceeds from issuance of long-term debt	2,856,278		357,000
Repayment of long-term debt	(1,079,250)	(22,500)	(211,250)
Payment of debt issuance costs	(24,207)
Net proceeds from (payments on) notes payable	(7,776)	7,746	(2,623)
Dividends paid	(29,612)	(27,518)	(25,683)
Proceeds from stock options exercised	17,705	11,269	4,631
Excess tax benefit from share-based compensation	2,010	1,641	1,433
Purchase of redeemable non-controlling interest	(3,127)
Repurchases of common stock	(21,831)	(23,228)	(19,290)
Net cash provided by (used in) financing activities from continuing operations	1,710,190	(52,590)	104,218
Effect of exchange rate changes on cash and cash equivalents	2,100	(8,496)	(9,033)
Net change in cash and cash equivalents from continuing operations	52,153	23,077	46,893
Cash used in operating activities of discontinued operations			(5,294)
Net change in cash and cash equivalents	52,153	23,077	41,599
Cash and cash equivalents at beginning of year	142,245	119,168	77,569
Cash and cash equivalents at end of year	194,398	142,245	119,168
Supplemental disclosure of cash flow information:
Dividends paid with company stock	299	318	208
Cash paid for interest, net of amount capitalized of $306, $752, and $136 for the years ended December 2, 2017, December 3, 2016 and November 28, 2015, respectively	43,790	29,505	27,156
Cash paid for income taxes, net of refunds	$ 37,986	$ 46,815	$ 33,076