Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 25, 2016	Nov. 27, 2015	Nov. 25, 2016	Nov. 27, 2015
Accumulated Other Comprehensive (Loss) Income [Line Items]
Beginning Balance			$ 429,294
Other comprehensive (loss) income, net of tax	$ (8,040)	$ (12,423)	2,958	$ 18,396
Ending Balance	461,207	$ 430,792	461,207	$ 430,792
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Beginning Balance			(13,535)
Other comprehensive (loss) income before reclassifications			(12,132)
Amounts reclassified from accumulated other comprehensive loss			318
Other comprehensive (loss) income, net of tax			(11,814)
Ending Balance	(25,349)		(25,349)
Pensions and Postretirement Benefits [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Beginning Balance			(26,628)
Other comprehensive (loss) income before reclassifications			(15)
Amounts reclassified from accumulated other comprehensive loss			668
Other comprehensive (loss) income, net of tax			653
Ending Balance	(25,975)		(25,975)
Unrealized Investment Gain [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Beginning Balance			20,505
Other comprehensive (loss) income before reclassifications			14,119
Other comprehensive (loss) income, net of tax			14,119
Ending Balance	34,624		34,624
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Beginning Balance			(19,658)
Other comprehensive (loss) income before reclassifications			1,972
Amounts reclassified from accumulated other comprehensive loss			986
Other comprehensive (loss) income, net of tax			2,958
Ending Balance	$ (16,700)		$ (16,700)