Open Market Share Repurchase Program	6 Months Ended
Jun. 17, 2018
Equity [Abstract]
Open Market Share Repurchase Program	9. Open Market Share Repurchase Program During the second quarter of 2018, the Company repurchased and retired 905,556 shares of its common stock under its Board of Directors-approved open market share repurchase program for a total of approximately $219.0 million, or an average price of $241.82 per share. During the two fiscal quarters of 2018, the Company repurchased and retired 1,353,564 shares of its common stock under its Board of Directors-approved open market share repurchase program for a total of approximately $320.1 million, or an average price of $236.46 per share. As of June 17, 2018, the end of the second quarter, the Company had a total remaining authorized amount for share repurchases of approximately $429.9 million. The Company did not repurchase any shares of its common stock under its Board of Directors-approved open market share repurchase program in the second quarter of 2017. During the two fiscal quarters of 2017, the Company repurchased and retired 80,360 shares of its common stock under its Board of Directors-approved open market share repurchase program for a total of approximately $12.7 million, or an average price of $158.30 per share.

9. Open Market Share Repurchase Program

During the second quarter of 2018, the Company repurchased and retired 905,556 shares of its common stock under its Board of Directors-approved open market share repurchase program for a total of approximately $219.0 million, or an average price of $241.82 per share. During the two fiscal quarters of 2018, the Company repurchased and retired 1,353,564 shares of its common stock under its Board of Directors-approved open market share repurchase program for a total of approximately $320.1 million, or an average price of $236.46 per share. As of June 17, 2018, the end of the second quarter, the Company had a total remaining authorized amount for share repurchases of approximately $429.9 million.

The Company did not repurchase any shares of its common stock under its Board of Directors-approved open market share repurchase program in the second quarter of 2017. During the two fiscal quarters of 2017, the Company repurchased and retired 80,360 shares of its common stock under its Board of Directors-approved open market share repurchase program for a total of approximately $12.7 million, or an average price of $158.30 per share.