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Basis of Presentation and Summary of Significant Accounting Policies - Summary of Calculation of Weighted Average Shares used to Calculate Basic and Diluted Earnings Per Share (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Oct. 02, 2016
Sep. 27, 2015
Oct. 02, 2016
Sep. 27, 2015
Weighted average shares used to calculate basic and diluted earnings per share        
Weighted average shares outstanding 146,705 145,349 146,783 144,447
Effect of potentially dilutive common shares from:        
Convertible senior notes   1,670 80 2,013
Equity awards 1,196 2,653 1,186 2,648
Weighted average shares used in calculating diluted earnings per share 147,901 149,672 148,049 149,108
Potentially dilutive shares excluded from calculation due to anti-dilutive effect 63 13 580 7