Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 03, 2016	Nov. 28, 2015	Nov. 29, 2014	May 01, 2014
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits that would impact the effective tax rate if recognized	$ 3,117	$ 2,797
Accrued for the payment of interest and penalties	323	281
Decrease in unrecognized tax benefits is reasonably possible	286
Operating loss carryforwards, limitations on use	21,000
Operating loss carryforward, domestic	16,151
Operating loss carryforwards, subject to expiration	2,268
Operating loss carryforwards, not subject to expiration	3,802
Valuation allowance, deferred tax asset, change in amount	358	9,587	$ 166
Repatriated foreign earnings	23,100	$ 26	$ 17
Foreign earnings repatriated	23,100
Undistributed earnings of foreign subsidiaries	4,500
Tax benefit based on cumulative foreign exchange movement	(1,176)
Undistributed foreign earnings	$ 227,805
Effective Income Tax Rate Reconciliation, Percent	30.90%	31.90%	31.80%
Stanadyne [Member]
Operating Loss Carryforwards [Line Items]
General business tax carryforward				$ 2,365
Valuation allowance, deferred tax asset, change in amount		$ 9,340
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards				70,220
Capital Loss Carryforward [Member] | Stanadyne [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	$ 25,071			$ 26,685