SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS AND RESERVES

12 Months Ended

Oct. 02, 2016

SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS AND RESERVES

SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS AND RESERVES

TETRA TECH, INC.
SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS AND RESERVES

For the Fiscal Years Ended
September 28, 2014, September 27, 2015 and October 2, 2016
(in thousands)

		Balance at Beginning of Period		Charged to Costs, Expenses and Revenue			Deductions (1)			Other (2)			Balance at End of Period
Allowance for doubtful accounts:
Fiscal 2014		$	44,623	$	1,467		$	(4,855	)	$	(1,455	)	$	39,780
Fiscal 2015			39,780		(1,034	)		(5,965	)		(1,291	)		31,490
Fiscal 2016			31,490		8,082			(12,191	)		7,852			35,233
Income tax valuation allowance:
Fiscal 2014		$	7,459	$	396		$	–		$	(279	)	$	7,576
Fiscal 2015			7,576		4,609			–			(4,394	)		7,791
Fiscal 2016			7,791		3,856			–			13,800			25,447
(1)	Primarily represents uncollectible accounts written off, net of recoveries.
(2)	Includes allowances from new business acquisitions, loss in foreign jurisdictions, currency adjustments, and valuation allowance adjustments related to net operating loss carry-forwards.