Supplemental Information (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Research and development	$ 53,700,000	[1]	$ 50,700,000	[1]	$ 50,300,000	[1]
Advertising, promotions and marketing	45,200,000	[2]	59,400,000	[2]	58,400,000	[2]
Rent expense	53,500,000	[3]	67,800,000	[3]	69,600,000	[3]
Discontinued Operations [Member]
Research and development	0		1,200,000		3,300,000
Advertising, promotions and marketing	4,100,000		20,100,000		22,200,000
Rent expense	$ 4,500,000		$ 20,100,000		$ 20,700,000

[1] esearch and development costs related to discontinued operations of $1.2 million and $3.3 million for the years ended December 31, 2012 and 2011, respectively.

[2] dvertising, promotions and marketing costs related to discontinued operations of $4.1 million, $20.1 million and $22.2 million for the years ended December 31, 2013, 2012 and 2011, respectively. Cooperative advertising expenditures were not included in these amounts.

[3] ent expense related to discontinued operations of $4.5 million, $20.1 million and $20.7 million for the years ended December 31, 2013, 2012 and 2011, respectively.