Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Nov. 29, 2014	Nov. 30, 2013	Dec. 01, 2012
Cash flows from operating activities from continuing operations:
Net income including non-controlling interests	$ 50,151,000	$ 97,186,000	$ 125,855,000
Loss (income) from discontinued operations, net of tax	0	(1,211,000)	(57,568,000)
Adjustments to reconcile net income including non-controlling interests to net cash provided by operating activities:
Depreciation	47,254,000	39,149,000	38,713,000
Amortization	23,240,000	22,508,000	18,703,000
Deferred Income Tax Expense (Benefit)	4,154,000	9,648,000	(16,820,000)
Income from equity method investments, net of dividends received	(2,857,000)	4,559,000	(4,436,000)
Share-based compensation	13,376,000	12,317,000	9,728,000
Pension and other postretirement benefit plan contributions	(12,575,000)	(6,811,000)	(9,763,000)
Pension and other postretirement benefit plan income (expense)	20,399,000	(1,777,000)	1,854,000
Excess tax benefit from share-based compensation	(3,357,000)	(2,676,000)	(1,263,000)
Non cash charge for the sale of inventories revalued at the date of acquisition	138,000	189,000	3,228,000
Asset impairment charges	0	0	1,517,000
Change in assets and liabilities, net of effects of acquisitions [Abstract]
Trade receivables, net	(18,893,000)	(7,281,000)	(17,341,000)
Inventories	(36,227,000)	(11,797,000)	(17,081,000)
Other assets	(41,711,000)	(13,848,000)	(4,313,000)
Trade payables	(14,544,000)	16,258,000	(4,845,000)
Accrued compensation	(28,103,000)	3,786,000	20,950,000
Other accrued expenses	6,006,000	4,793,000	4,909,000
Income taxes payable	(112,000)	(17,933,000)	15,173,000
Other liabilities	(9,941,000)	(3,263,000)	3,531,000
Other	33,336,000	(11,103,000)	(2,090,000)
Net cash provided by operating activities from continuing operations	29,734,000	132,693,000	108,641,000
Cash flows from investing activities from continuing operations [Abstract]
Purchased property, plant and equipment	(139,794,000)	(124,288,000)	(35,913,000)
Purchased business, net of cash acquired	(26,334,000)	(8,614,000)	(412,606,000)
Purchased technology	0	(2,387,000)	0
Proceeds from sale of property, plant and equipment	6,111,000	2,135,000	1,756,000
Net cash used in investing activities from continuing operations	(160,017,000)	(133,154,000)	(446,763,000)
Cash flows from financing activities from continuing operations [Abstract]
Proceeds from long-term debt	560,000,000	107,034,000	584,208,000
Repayment of long-term debt	(483,250,000)	(129,502,000)	(292,333,000)
Net proceeds from (payments on) notes payable	6,602,000	(545,000)	(5,837,000)
Dividends paid	(23,087,000)	(19,334,000)	(16,454,000)
Distribution to redeemable non-controlling interest	0	(244,000)	0
Proceeds from stock options exercised	6,852,000	8,891,000	7,401,000
Excess tax benefit from share-based compensation	3,357,000	2,676,000	1,263,000
Repurchases of common stock	(15,510,000)	(17,638,000)	(4,333,000)
Net cash provided by (used in) financing activities from continuing operations	54,964,000	(48,662,000)	273,915,000
Effect of exchange rate changes on cash and cash equivalents	(2,233,000)	2,671,000	3,656,000
Net change in cash and cash equivalents from continuing operations	(77,552,000)	(46,452,000)	(60,551,000)
Cash provided by (used in) operating activities of discontinued operations	0	1,137,000	(13,893,000)
Cash provided by (used in) investing activities of discontinued operations including proceeds from sale of business	0	0	120,231,000
Net change in cash and cash equivalents	(77,552,000)	(45,315,000)	45,787,000
Cash and cash equivalents at beginning of year	155,121,000	200,436,000	154,649,000
Cash and cash equivalents at end of year	77,569,000	155,121,000	200,436,000
Supplemental disclosure of cash flow information:
Dividends paid with company stock	175,000	150,000	126,000
Cash paid for interest	24,758,000	23,574,000	19,816,000
Cash paid for income taxes	$ 16,599,000	$ 41,920,000	$ 31,832,000