SUPPLEMENTAL BALANCE SHEET INFORMATION

The composition of trade receivables, net is as follows:



	September 26, 2015			December 27, 2014
	(in thousands)
Client receivables	$	240,307		$	219,118
Unbilled revenue	54,157			43,780
Total	294,464			262,898
Less: Allowance for doubtful accounts	(5,628		)	(4,907		)
Trade receivables, net	$	288,836		$	257,991

The composition of inventories is as follows:



	September 26, 2015		December 27, 2014
	(in thousands)
Raw materials and supplies	$	15,530	$	15,416
Work in process	13,063		11,802
Finished products	69,504		61,825
Inventories	$	98,097	$	89,043

The composition of other current assets is as follows:



	September 26, 2015		December 27, 2014
	(in thousands)
Deferred tax asset	$	33,156	$	27,644
Investments	17,975		16,167
Prepaid income tax	30,828		26,287
Restricted cash	1,221		2,552
Other	923		291
Other current assets	$	84,103	$	72,941

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



	September 26, 2015			December 27, 2014
	(in thousands)
Land	$	42,619		$	40,314
Buildings ⁽¹⁾	705,694			682,495
Machinery and equipment	381,764			384,713
Leasehold improvements	39,221			37,270
Furniture and fixtures	22,053			22,577
Vehicles	4,054			3,967
Computer hardware and software	123,285			119,474
Construction in progress	23,823			40,970
Total	1,342,513			1,331,780
Less: Accumulated depreciation	(670,840		)	(654,983		)
Property, plant and equipment, net	$	671,673		$	676,797

⁽¹⁾ The balance as of September 26, 2015 includes capital lease assets. See Note 7, “Long Term Debt and Capital Lease Obligations.”

Depreciation expense for the three months ended September 26, 2015 and September 27, 2014 was $17.4 million and $18.4 million, respectively. Depreciation expense for the nine months ended September 26, 2015 and September 27, 2014 was $51.9 million and $51.6 million, respectively.

The composition of other assets is as follows:



	September 26, 2015		December 27, 2014
	(in thousands)
Life insurance policies	$	26,458	$	27,603
Investments in limited partnerships	29,931		27,047
Other	9,163		18,301
Other assets	$	65,552	$	72,951

The composition of other current liabilities is as follows:



	September 26, 2015		December 27, 2014
	(in thousands)
Accrued income taxes	$	17,630	$	9,362
Current deferred tax liability	3,389		1,484
Accrued interest and other	328		233
Other current liabilities	$	21,347	$	11,079

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



	September 26, 2015		December 27, 2014
	(in thousands)
Deferred tax liability	$	49,016	$	30,816
Long-term pension liability	37,878		45,135
Accrued executive supplemental life insurance retirement plan and deferred compensation plan	33,858		33,007
Other	19,004		21,403
Other long-term liabilities	$	139,756	$	130,361