Quarterly Data (unaudited) - Schedule of Quarterly Data (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 29, 2018 |
Sep. 29, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 30, 2017 |
Sep. 30, 2017 |
Jul. 01, 2017 |
Apr. 01, 2017 |
Dec. 29, 2018 |
Dec. 30, 2017 |
Dec. 31, 2016 |
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| Quarterly Financial Information Disclosure [Abstract] | |||||||||||
| Revenues | $ 276,587 | $ 243,839 | $ 246,154 | $ 207,595 | $ 206,374 | $ 218,955 | $ 224,260 | $ 188,779 | $ 974,175 | $ 838,368 | $ 814,908 |
| Income (loss) from operations | (2,558) | 6,906 | 13,371 | 9,117 | 1,399 | 13,984 | 18,502 | 3,100 | 26,836 | 36,985 | 41,515 |
| Net (loss) income | $ (35,085) | $ (10,708) | $ (13,531) | $ (10,317) | $ 65,435 | $ (1,322) | $ 1,219 | $ (6,684) | $ (69,641) | $ 58,648 | $ (14,206) |
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- References No definition available.
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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