Segment Information (Tables)

6 Months Ended

Jun. 30, 2012

Segment Information [Abstract]

Sales and gross profit of reportable segments

	Three Months Ended
	June 30, 2012				June 30, 2011
(In thousands)	Sales		Gross Profit		Sales		Gross Profit
Carrier Networks	$	152,707	$	78,738	$	150,492	$	87,465
Enterprise Networks		31,291		16,463		33,735		19,362
Total	$	183,998	$	95,201	$	184,227	$	106,827
	Six Months Ended
	June 30, 2012				June 30, 2011
(In thousands)	Sales		Gross Profit		Sales		Gross Profit
Carrier Networks	$	249,361	$	131,621	$	282,852	$	166,963
Enterprise Networks		69,372		37,667		66,897		38,659
Total	$	318,733	$	169,288	$	349,749	$	205,622

Sales information by product category

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In thousands)	2012		2011		2012		2011
Carrier Systems	$	126,755	$	112,289	$	198,013	$	199,039
Business Networking		36,590		35,699		79,732		72,062
Loop Access		20,653		36,239		40,988		78,648
Total	$	183,998	$	184,227	$	318,733	$	349,749

Subcategory revenues

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In thousands)	2012		2011		2012		2011
Core Products
Broadband Access (included in Carrier Systems)	$	106,042	$	77,062	$	155,524	$	128,844
Optical (included in Carrier Systems)		14,003		22,008		28,258		42,924
Internetworking (NetVanta & Multi-service Access Gateways) (included in Business Networking)		34,935		33,029		75,909		65,912
Subtotal		154,980		132,099		259,691		237,680
Legacy Products
HDSL (does not include T1) (included in Loop Access)		19,465		34,049		38,424		74,994
Other products (excluding HDSL)		9,553		18,079		20,618		37,075
Subtotal		29,018		52,128		59,042		112,069
Total	$	183,998	$	184,227	$	318,733	$	349,749

Sales information by geographic area

	Three Months Ended				Six Months Ended
(In thousands)	June 30,				June 30,
	2012		2011		2012		2011
United States	$	130,389	$	160,804	$	246,832	$	313,917
International		53,609		23,423		71,901		35,832
Total	$	183,998	$	184,227	$	318,733	$	349,749