Capital Stock (Details) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 27, 2015 USD ($) Position $ / shares shares
Capital Stock [Abstract]
Amount of common stock Board of Directors authorized to be repurchased after previous authorizations, maximum (in thousands of dollars)	$ 500,000
Number of previous authorizations of stock repurchases by the Board of Directors (in number of authorizations) | Position	7
Cumulative authorized repurchase amount of the previous 6 authorizations	$ 3,325,000
Number of shares repurchased (in shares) | shares	1,248
Average price per share for the shares repurchased (in dollars per share) | $ / shares	$ 68.01
Purchases of common stock	$ 84,894
Amount remaining under the authorization	$ 479,283