Segment Information (Tables)

6 Months Ended

Sep. 01, 2018

Segment Reporting [Abstract]

Sales and operating income data

	Three Months Ended						Six Months Ended
In thousands	September 1, 2018			September 2, 2017			September 1, 2018			September 2, 2017
Net sales from operations
Architectural Framing Systems	$	189,850		$	189,023		$	368,887		$	299,515
Architectural Glass	88,084			97,351			165,009			195,086
Architectural Services	76,496			46,829			147,223			96,979
Large-Scale Optical	20,383			20,291			41,145			38,894
Intersegment eliminations	(12,680		)	(9,587		)	(23,600		)	(14,260		)
Net sales	$	362,133		$	343,907		$	698,664		$	616,214
Operating income (loss) from operations
Architectural Framing Systems	$	18,312		$	16,542		$	30,650		$	28,506
Architectural Glass	1,739			10,258			3,317			19,581
Architectural Services	7,621			774			12,775			1,555
Large-Scale Optical	4,236			4,248			9,218			8,298
Corporate and other	(3,248		)	(4,048		)	(5,306		)	(6,060		)
Operating income	$	28,660		$	27,774		$	50,654		$	51,880