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Supplemental Balance Sheet Information (Tables) | 3 Months Ended
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Mar. 31, 2018
Supplemental Balance Sheet Information [Abstract] |
Composition of Net Trade Receivables | The composition of trade receivables, net is as follows:
| March 31, 2018 |  | December 30, 2017
| (in thousands)
Client receivables | $ | 343,546 |  |  | $ | 335,839 |
Unbilled revenue | 98,801 |  |  | 96,297 |
Total | 442,347 |  |  | 432,136 |
Less: Allowance for doubtful accounts | (2,238 | ) |  | (2,120 | )
Trade receivables, net | $ | 440,109 |  |  | $ | 430,016 |
Composition of Inventories | The composition of inventories is as follows:
| March 31, 2018 |  | December 30, 2017
| (in thousands)
Raw materials and supplies | $ | 20,353 |  |  | $ | 19,858 |
Work in process | 19,080 |  |  | 18,200 |
Finished products | 79,613 |  |  | 76,898 |
Inventories | $ | 119,046 |  |  | $ | 114,956 |
Composition of Other Current Assets | The composition of other current assets is as follows:
| March 31, 2018 |  | December 30, 2017
| (in thousands)
Investments | $ | 2,542 |  |  | $ | 28,489 |
Prepaid income taxes | 49,932 |  |  | 52,234 |
Restricted cash | 605 |  |  | 592 |
Other current assets | $ | 53,079 |  |  | $ | 81,315 |
Composition of Other Assets | The composition of other assets is as follows:
| March 31, 2018 |  | December 30, 2017
| (in thousands)
Life insurance policies | $ | 33,943 |  |  | $ | 34,008 |
Venture capital investments | 76,076 |  |  | 71,101 |
Restricted cash | 2,021 |  |  | 1,945 |
Other | 24,592 |  |  | 16,948 |
Other assets | $ | 136,632 |  |  | $ | 124,002 |
Composition of Other Current Liabilities | The composition of other current liabilities is as follows:
| March 31, 2018 |  | December 30, 2017
| (in thousands)
Accrued income taxes | $ | 34,532 |  |  | $ | 43,250 |
Customer contract deposits | 23,566 |  |  | — |
Other | 4,474 |  |  | 1,210 |
Other current liabilities | $ | 62,572 |  |  | $ | 44,460 |
Composition of Other Long-Term Liabilities | The composition of other long-term liabilities is as follows:
| March 31, 2018 |  | December 30, 2017
| (in thousands)
U.S. Transition Tax | $ | 66,851 |  |  | $ | 61,038 |
Long-term pension liability | 51,607 |  |  | 52,364 |
Accrued executive supplemental life insurance retirement plan and deferred compensation plan | 37,935 |  |  | 37,582 |
Other | 48,478 |  |  | 43,831 |
Other long-term liabilities | $ | 204,871 |  |  | $ | 194,815 |

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