Cash paid during period:

No definition available.

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- Definition

Vested stock unit awards issued to settle accrued bonuses

+ References

No definition available.

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- Definition

Future cash outflow to pay for purchases of fixed assets that have occurred.

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- References

No definition available.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 28, 2019	Mar. 29, 2019	Jun. 29, 2018	Mar. 30, 2018	Jun. 28, 2019	Jun. 29, 2018
Cash paid during period:
Income taxes					$ 5,972	$ 12,217
Non-cash investing and financing activities:
Unrealized gain (loss) on short-term investments	$ 249	$ 154	$ 19	$ (40)	403	(21)
Vested stock unit awards issued to settle accrued bonuses					7,947	7,643
Accrual for capital expenditures					1,978	$ 691
Right-of-use asset obtained in exchange for operating lease obligations					$ 26,152