Schedule II Valuation and Qualifying Accounts

12 Months Ended

Mar. 31, 2013

Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation and Qualifying Accounts

SCHEDULE II

BLACK BOX CORPORATION

Valuation and Qualifying Accounts

(Dollars in thousands)

Description	Balance at Beginning of Period		Additions Charged to Expense		Additions from Acquisitions		Reductions from Reserves			Other			Balance at End of Period
March 31, 2013
Excess and obsolete inventory reserves	$	18,900	$	3,586	$	—	$	(4,392	)	$	(54	)	$	18,040
Allowance for doubtful accounts	6,273		3,556		—		(3,531		)	2			6,300
March 31, 2012
Excess and obsolete inventory reserves	$	19,859	$	1,648	$	32	$	(2,639	)	$	—		$	18,900
Allowance for doubtful accounts	7,121		3,006		12		(3,866		)	—			6,273
March 31, 2011
Excess and obsolete inventory reserves	$	19,990	$	1,408	$	17	$	(1,556	)	$	—		$	19,859
Allowance for doubtful accounts	9,505		2,674		2		(5,060		)	—			7,121