Segment Information (Tables)

6 Months Ended

Aug. 29, 2015

Segment Reporting [Abstract]

Sales and operating income data

	Three Months Ended						Six Months Ended
(In thousands)	August 29, 2015			August 30, 2014			August 29, 2015			August 30, 2014
Net sales from operations
Architectural Glass	$	92,433		$	84,236		$	193,608		$	163,870
Architectural Services	52,197			59,352			107,849			110,967
Architectural Framing Systems	80,671			76,736			152,571			140,958
Large-Scale Optical	22,444			19,363			42,663			39,423
Intersegment eliminations	(6,991		)	(7,742		)	(15,975		)	(12,390		)
Net sales	$	240,754		$	231,945		$	480,716		$	442,828
Operating income (loss) from operations
Architectural Glass	$	6,738		$	3,299		$	15,021		$	6,099
Architectural Services	1,419			1,772			2,361			1,956
Architectural Framing Systems	9,692			7,446			14,953			9,377
Large-Scale Optical	5,642			4,147			10,512			8,111
Corporate and other	(1,068		)	(1,168		)	(2,200		)	(2,230		)
Operating income	$	22,423		$	15,496		$	40,647		$	23,313