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Open Market Share Repurchase Program	6 Months Ended
Open Market Share Repurchase Program	Jun. 18, 2017
Equity [Abstract]
Open Market Share Repurchase Program	7. Open Market Share Repurchase Program 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. As of June 18, 2017, the end of the second quarter, the Company had a total remaining authorized amount for share repurchases of approximately $136.4 million. During the first quarter of 2016, the Company received and retired 456,936 shares of its common stock in connection with the final settlement of its previously announced $600.0 million accelerated share repurchase program. During the second quarter of 2016, the Company repurchased and retired 1,845,126 shares of its common stock under its Board of Directors approved open market share repurchase program for a total of approximately $224.1 million.