Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 28, 2015	Aug. 29, 2014	Aug. 28, 2015	Aug. 29, 2014
Segment Reporting [Abstract]
Revenue	$ 1,217,768	$ 1,005,409	$ 3,489,107	$ 3,073,737
Cost of revenue	190,985	157,724	542,956	461,137
Gross profit	$ 1,026,783	$ 847,685	$ 2,946,151	$ 2,612,600
Gross profit as a percentage of revenue	84.00%	84.00%	84.00%	85.00%
Digital Media [Member]
Segment Reporting [Abstract]
Revenue	$ 769,627	$ 621,459	$ 2,219,875	$ 1,954,137
Cost of revenue	56,508	38,711	151,546	112,861
Gross profit	$ 713,119	$ 582,748	$ 2,068,329	$ 1,841,276
Gross profit as a percentage of revenue	93.00%	94.00%	93.00%	94.00%
Digital Marketing [Member]
Segment Reporting [Abstract]
Revenue	$ 402,530	$ 336,575	$ 1,126,161	$ 981,363
Cost of revenue	132,401	117,053	384,709	340,943
Gross profit	$ 270,129	$ 219,522	$ 741,452	$ 640,420
Gross profit as a percentage of revenue	67.00%	65.00%	66.00%	65.00%
Print And Publishing [Member]
Segment Reporting [Abstract]
Revenue	$ 45,611	$ 47,375	$ 143,071	$ 138,237
Cost of revenue	2,076	1,960	6,701	7,333
Gross profit	$ 43,535	$ 45,415	$ 136,370	$ 130,904
Gross profit as a percentage of revenue	95.00%	96.00%	95.00%	95.00%