Net Income (Loss) Per Share - Calculation of Basic and Diluted Net Income (Loss) per share Attributable (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2021	Sep. 27, 2020	Oct. 03, 2021	Sep. 27, 2020	Dec. 31, 2015	Jun. 30, 2014
Numerator:
Net (loss) income attributable to stockholders - continuing operations	$ (84,376)	$ 109,450	$ (57,554)	$ 186,880
Net (loss) income attributable to stockholders - discontinued operations	0	(64,824)	0	(124,307)
Net income (loss) attributable to stockholders	$ (84,376)	$ 44,626	$ (57,554)	$ 62,573
Denominator:
Basic weighted-average common shares (in shares)	172,885	170,113	172,242	169,646
Basic net (loss) income per share - continuing operations (in dollars per share)	$ (0.49)	$ 0.64	$ (0.33)	$ 1.10
Basic net loss per share - discontinued operations (in dollars per share)	0	(0.38)	0	(0.73)
Basic net (loss) income per share (in dollars per share)	$ (0.49)	$ 0.26	$ (0.33)	$ 0.37
Numerator:
Net (loss) income attributable to stockholders - continuing operations	$ (84,376)	$ 109,450	$ (57,554)	$ 186,880
Net (loss) income available to common stockholders - continuing operations	(84,376)	113,275	(57,554)	198,453
Net (loss) income attributable to stockholders - discontinued operations	$ 0	$ (64,824)	$ 0	$ (124,307)
Denominator:
Basic weighted-average common shares (in shares)	172,885	170,113	172,242	169,646
Effect of dilutive securities:
Dilutive weighted-average common shares (in shares)	172,885	198,526	172,242	200,124
Dilutive net (loss) income per share - continuing operations (in dollars per share)	$ (0.49)	$ 0.57	$ (0.33)	$ 0.99
Dilutive net loss per share - discontinued operations (in dollars per share)	0	(0.33)	0	(0.62)
Dilutive net (loss) income per share (in dollars per share)	$ (0.49)	$ 0.24	$ (0.33)	$ 0.37
Restricted stock units
Effect of dilutive securities:
Restricted stock units (in shares)	0	3,560	0	3,354
0.875% debentures due 2021
Effect of dilutive securities:
Convertible debt (in shares)	0	7,785	0	10,056
4.00% debentures due 2023
Effect of dilutive securities:
Convertible debt (in shares)	0	17,068	0	17,068
Interest rate	4.00%		4.00%
0.875% debentures due 2021
Numerator:
Interest expense on convertible debt	$ 0	$ 467	$ 0	$ 1,507
0.875% debentures due 2021 | Convertible debt:
Effect of dilutive securities:
Interest rate						0.875%
4.00% debentures due 2023
Numerator:
Interest expense on convertible debt	$ 0	$ 3,358	$ 0	$ 10,066
4.00% debentures due 2023 | Convertible debt:
Effect of dilutive securities:
Interest rate					4.00%