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SUPPLEMENTAL BALANCE SHEET INFORMATION (Tables) | 12 Months Ended
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Dec. 30, 2017
Supplemental Balance Sheet Information [Abstract] |
Composition of Trade Receivables, Net | The composition of trade receivables, net is as follows:
| December 30, 2017 |  | December 31, 2016
| (in thousands)
Client receivables | $ | 335,839 |  |  | $ | 283,997 |
Unbilled revenue | 96,297 |  |  | 82,203 |
Total | 432,136 |  |  | 366,200 |
Less: Allowance for doubtful accounts | (2,120 | ) |  | (2,150 | )
Trade receivables, net | $ | 430,016 |  |  | $ | 364,050 |
Composition of Inventories | The composition of inventories is as follows:
| December 30, 2017 |  | December 31, 2016
| (in thousands)
Raw materials and supplies | $ | 19,858 |  |  | $ | 18,893 |
Work in process | 18,200 |  |  | 13,681 |
Finished products | 76,898 |  |  | 63,259 |
Inventories | $ | 114,956 |  |  | $ | 95,833 |
Composition of Other Current Assets | The composition of other current assets is as follows:
| December 30, 2017 |  | December 31, 2016
| (in thousands)
Investments | $ | 28,489 |  |  | $ | 3,771 |
Prepaid income tax | 52,234 |  |  | 40,705 |
Restricted cash | 592 |  |  | 532 |
Other current assets | $ | 81,315 |  |  | $ | 45,008 |
Composition of Property, Plant and Equipment, Net | The composition of property, plant and equipment, net is as follows:
| December 30, 2017 |  | December 31, 2016
| (in thousands)
Land | $ | 48,989 |  |  | $ | 47,392 |
Buildings (1) | 812,230 |  |  | 784,129 |
Machinery and equipment (1) | 450,992 |  |  | 403,123 |
Leasehold improvements | 52,969 |  |  | 47,071 |
Furniture and fixtures | 27,455 |  |  | 24,148 |
Computer hardware and software | 140,216 |  |  | 127,283 |
Vehicles (1) | 4,582 |  |  | 4,118 |
Construction in progress | 45,518 |  |  | 24,703 |
Total | 1,582,951 |  |  | 1,461,967 |
Less: Accumulated depreciation | (800,978 | ) |  | (706,140 | )
Property, plant and equipment, net | $ | 781,973 |  |  | $ | 755,827 |
(1) These balances include assets under capital lease. See Note 7, “Long-Term Debt and Capital Lease Obligations.”
Composition of Other Assets | The composition of other assets is as follows:
| December 30, 2017 |  | December 31, 2016
| (in thousands)
Life insurance policies | $ | 34,008 |  |  | $ | 29,456 |
Venture capital investments | 71,101 |  |  | 45,331 |
Restricted cash | 1,945 |  |  | 1,736 |
Other | 16,948 |  |  | 11,907 |
Other assets | $ | 124,002 |  |  | $ | 88,430 |
Composition of Other Current Liabilities | The composition of other current liabilities is as follows:
| December 30, 2017 |  | December 31, 2016
| (in thousands)
Accrued income taxes | $ | 43,250 |  |  | $ | 25,621 |
Other | 1,210 |  |  | 879 |
Other current liabilities | $ | 44,460 |  |  | $ | 26,500 |
Schedule of Other Long-Term Liabilities | The composition of other long-term liabilities is as follows:
| December 30, 2017 |  | December 31, 2016
| (in thousands)
Transition Tax (Note 9) | $ | 61,038 |  |  | $ | — |
Long-term pension liability | 52,364 |  |  | 89,984 |
Accrued executive supplemental life insurance retirement plan and deferred compensation plan | 37,582 |  |  | 32,880 |
Other | 43,831 |  |  | 36,375 |
Other long-term liabilities | $ | 194,815 |  |  | $ | 159,239 |

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