SUPPLEMENTAL BALANCE SHEET INFORMATION

The composition of trade receivables, net is as follows:



	March 28, 2015			December 27, 2014
	(in thousands)
Client receivables	$	227,891		$	219,118
Unbilled revenue	42,717			43,780
Total	270,608			262,898
Less: Allowance for doubtful accounts	(5,182		)	(4,907		)
Trade receivables, net	$	265,426		$	257,991

The composition of inventories is as follows:

The composition of other current assets is as follows:

The composition of property, plant and equipment, net is as follows:



	March 28, 2015			December 27, 2014
	(in thousands)
Land	$	39,775		$	40,314
Buildings	668,309			682,495
Machinery and equipment	373,419			384,713
Leasehold improvements	36,953			37,270
Furniture and fixtures	21,548			22,577
Vehicles	3,796			3,967
Computer hardware and software	118,946			119,474
Construction in progress ⁽¹⁾	46,683			40,970
Total	1,309,429			1,331,780
Less: Accumulated depreciation	(651,828		)	(654,983		)
Property, plant and equipment, net	$	657,601		$	676,797

⁽¹⁾ Includes the leased facility under construction. See Note 8, “Long-Term Debt and Capital Lease Obligations.”

Depreciation expense for the three months ended March 28, 2015 and March 29, 2014 was $17.1 million and $15.7 million, respectively.

The composition of other assets is as follows:



	March 28, 2015		December 27, 2014
	(in thousands)
Deferred financing costs	$	4,979	$	5,401
Life insurance policies	27,848		27,603
Investments in limited partnerships	30,703		27,047
Other assets	7,156		18,301
Other assets	$	70,686	$	78,352

The composition of other current liabilities is as follows:



	March 28, 2015		December 27, 2014
	(in thousands)
Accrued income taxes	$	6,410	$	9,362
Current deferred tax liability	1,244		1,484
Accrued interest and other	185		233
Other current liabilities	$	7,839	$	11,079

The composition of other long-term liabilities is as follows:



	March 28, 2015		December 27, 2014
	(in thousands)
Deferred tax liability	$	31,685	$	30,816
Long-term pension liability	41,879		45,135
Accrued executive supplemental life insurance retirement plan and deferred compensation plan	33,061		33,007
Other long-term liabilities	10,630		21,403
Other long-term liabilities	$	117,255	$	130,361