Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 03, 2016	Nov. 28, 2015	Nov. 29, 2014
Cash flows from operating activities from continuing operations:
Net income including non-controlling interests	$ 124,382	$ 87,097	$ 50,151
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	49,189	48,305	47,254
Amortization	28,495	26,984	23,240
Deferred income taxes	5,344	6,645	4,154
(Income) from equity method investments, net of dividends received	(3,701)	(3,042)	(2,857)
Share-based compensation	13,344	14,156	13,376
Pension and other postretirement benefit plan contributions	(6,572)	(4,645)	(12,575)
Pension and other postretirement benefit plan income (expense)	11,634	(3,572)	20,399
Excess tax benefit from share-based compensation	(1,641)	(1,433)	(3,357)
Non-cash (gain) loss on mark to market adjustment related to contingent consideration liability	(6,032)	3,145
Non-cash charge for the sale of inventories revalued at the date of acquisition	528	2,416	138
Change in assets and liabilities, net of effects of acquisitions:
Trade receivables, net	1,874	(12,038)	(18,893)
Inventories	(3,495)	(4,588)	(36,227)
Other assets	(8,383)	11,991	(41,711)
Trade payables	(12,292)	5,794	(14,544)
Accrued compensation	879	5,982	(28,103)
Other accrued expenses	(5,548)	9,691	6,006
Income taxes payable	1,707	1,369	112
Other liabilities	20,105	4,925	9,941
Other	29,495	22,633	33,336
Net cash provided by operating activities from continuing operations	195,688	210,529	29,734
Cash flows from investing activities from continuing operations:
Purchased property, plant and equipment	(63,310)	(58,624)	(139,794)
Purchased businesses, net of cash acquired	(52,547)	(217,572)	(26,334)
Proceeds from litigation award		12,049
Proceeds from sale of property, plant and equipment	4,332	5,326	6,111
Net cash used in investing activities from continuing operations	(111,525)	(258,821)	(160,017)
Cash flows from financing activities from continuing operations:
Proceeds from long-term debt		357,000	560,000
Repayment of long-term debt	(22,500)	(211,250)	(483,250)
Net proceeds from (payments on) notes payable	7,746	(2,623)	6,602
Dividends paid	(27,518)	(25,683)	(23,087)
Proceeds from stock options exercised	11,269	4,631	6,852
Excess tax benefit from share-based compensation	1,641	1,433	3,357
Repurchases of common stock	(23,228)	(19,290)	(15,510)
Net cash provided by (used in) financing activities from continuing operations	(52,590)	104,218	54,964
Effect of exchange rate changes on cash and cash equivalents	(8,496)	(9,033)	(2,233)
Net change in cash and cash equivalents from continuing operations	23,077	46,893	(77,552)
Cash provided by (used in) operating activities of discontinued operations		(5,294)
Net change in cash and cash equivalents	23,077	41,599	(77,552)
Cash and cash equivalents at beginning of year	119,168	77,569	155,121
Cash and cash equivalents at end of year	142,245	119,168	77,569
Supplemental disclosure of cash flow information:
Dividends paid with company stock	318	208	175
Cash paid for interest, net of amount capitalized of $752, $136, and $2,725 for the years ended December 3, 2016, November 28, 2015 and November 29, 2014, respectively	29,505	27,156	24,758
Cash paid for income taxes, net of refunds	$ 46,815	$ 33,076	$ 16,599