Debt Arrangements - Additional Information (Detail) (USD $)	12 Months Ended				0 Months Ended		1 Months Ended	0 Months Ended		1 Months Ended	0 Months Ended
	Dec. 31, 2014		Dec. 31, 2013	Dec. 31, 2012	Mar. 18, 2013	Nov. 29, 2012	Jun. 30, 2014	Mar. 13, 2013	Mar. 12, 2013	Mar. 31, 2013	May 23, 2011	May 17, 2011	Jun. 21, 2013
Debt Instrument [Line Items]
Ownership Percentage													50.00%
Payments of securitized financing transaction			$ 3,838,000	$ 20,941,000
Long term debt, current	61,123,000		61,250,000
Cash, restricted cash	59,560,000		58,858,000
Net proceeds received from issuance of debt			392,000,000	750,000,000
Long term debt	1,394,077,000		1,427,319,000
Non cash additional interest expense on convertible notes	29,616,000		24,838,000	20,098,000
Sale of 1.5% Convertible Notes, shares repurchased value	19,179,000		3,707,000	1,195,000
Deferred income tax related to convertible notes	52,884,000		57,346,000
Proceeds received from sale of sold warrants			57,707,000
Class A Variable Funding Note
Debt Instrument [Line Items]
Principal amount of long term debt						100,000,000
Variable Funding Notes
Debt Instrument [Line Items]
Commitment fee on the unused portion of the variable funding notes facility	0.50%
Debt Instrument anticipated repayment year and month	2018-01
Additional interest rate	5.00%
Effect Of Accounting Change
Debt Instrument [Line Items]
Redemption price percentage per principal amount					102.00%
Hardy Way
Debt Instrument [Line Items]
Ownership Percentage						85.00%
MG Icon
Debt Instrument [Line Items]
Ownership Percentage						50.00%
Zoo York brand
Debt Instrument [Line Items]
Ownership Percentage						100.00%
Peanuts Worldwide
Debt Instrument [Line Items]
Ownership Percentage						80.00%
Senior Secured Notes
Debt Instrument [Line Items]
Principal amount of long term debt	774,000,000					600,000,000							275,000,000
Debt instrument, interest rate, stated percentage						4.229%							4.352%
Debt Instrument anticipated repayment year and month						2020-01
Additional interest rate						5.00%
Debt instrument, quarterly payment							1,600,000
Debt instrument, Maturity Date						2043-01
Debt instrument description of interest						If the Co-Issuers have not repaid or refinanced the Class A-2 Notes prior to the anticipated repayment date, additional interest will accrue on the Class A-2 Notes equal to the greater of (A) 5% per annum and (B) a per annum interest rate equal to the excess, if any, by which the sum of (i) the yield to maturity (adjusted to a quarterly bond-equivalent basis), on the anticipated repayment date of the United States treasury security having a term closest to 10 years plus (ii) 5% plus (iii) 3.4% exceeds the original interest rate.
Anticipated repayment date						10 years
Excess interest rate on original interest rate						3.40%
Long term debt, current	61,100,000
Cash, restricted cash	58,700,000		52,400,000
Cash interest expense	34,200,000		31,200,000	0
Long term debt	774,030,000		836,888,000
Senior Secured Notes Due In Twenty Twelve
Debt Instrument [Line Items]
Debt instrument, quarterly payment						10,500,000
Proceeds from issuance of debt instrument						150,400,000
Payments of securitized financing transaction						20,900,000
Senior Secured Notes Due In Twenty Twelve | Umbro
Debt Instrument [Line Items]
Payment for the acquisition of Brand						218,300,000
Senior Secured Notes Due In Two Thousand Thirteen
Debt Instrument [Line Items]
Debt instrument, quarterly payment						4,800,000
Excess interest rate on original interest rate						3.14%
Proceeds from issuance of debt instrument						7,200,000
1.50% Convertible Notes
Debt Instrument [Line Items]
Principal amount of long term debt	400,000,000				400,000,000
Debt instrument, interest rate, stated percentage	1.50%		1.50%		1.50%
Cash interest expense	6,000,000		4,700,000	0
Debt instrument, maturity date					Mar. 15, 2018
Net proceeds received from issuance of debt					390,600,000
Debt instrument, payment terms					The 1.50% Convertible Notes bear interest at an annual rate of 1.50%, payable semi-annually in arrears on March 15 and September 15 of each year, beginning on September 15, 2013.
Debt instrument, effective interest rate					6.50%
Debt instrument, conversion rate					32.4052
Principal amount of each convertible note					1,000
Convertible notes, initial conversion price per share					30.86
Long term debt	339,943,000	[1]	323,418,000
Non cash additional interest expense on convertible notes	15,300,000		11,500,000	0
Sale of 1.5% Convertible Notes, shares repurchased					2,964,000
Sale of 1.5% Convertible Notes, shares repurchased value					69,000,000
Sold warrants, shares of common stock								12,960,000
Sold warrants, shares of common stock strike price per share								$ 35.5173
Sold warrants, shares of common stock exercise date								Jun. 18, 2018
Sold warrants, shares of common stock expiring date								Sep. 01, 2018
Proceeds received from sale of sold warrants								57,700,000
Adjustments to additional paid in capital due convertible note hedge and warrants										3,000,000
Convertible notes, warrant strike price									$ 35.5173
Percentage of premiums									52.50%
Selling price per share of common stock									$ 23.29
1.50% Convertible Notes | Semi Annual Payment, First Payment
Debt Instrument [Line Items]
Debt instrument, interest payment period					--03-15
1.50% Convertible Notes | Semi Annual Payment, Second Payment
Debt Instrument [Line Items]
Debt instrument, interest payment period					--09-15
1.50% Convertible Notes | Long | Call Option
Debt Instrument [Line Items]
Convertible notes, common stock option shares					13,000,000
Payment for the purchased call option								84,100,000
Deferred income tax related to convertible notes	18,900,000							29,400,000
1.50% Convertible Notes | Change of control or other fundamental change
Debt Instrument [Line Items]
Redemption price percentage per principal amount					100.00%
1.50% Convertible Notes | Minimum
Debt Instrument [Line Items]
Percentage of closing price of the Company's common stock for at least 20 trading days in the 30 consecutive trading days					130.00%
1.50% Convertible Notes | Maximum
Debt Instrument [Line Items]
Percentage of closing price of the Company's common stock for at least 20 trading days in the 30 consecutive trading days					98.00%
2.50% Convertible Notes
Debt Instrument [Line Items]
Principal amount of long term debt	300,000,000										300,000,000
Debt instrument, interest rate, stated percentage	2.50%		2.50%								2.50%
Cash interest expense	7,500,000		7,500,000	7,500,000
Net proceeds received from issuance of debt											291,600,000
Debt instrument, payment terms											The 2.50% Convertible Notes bear interest at an annual rate of 2.50%, payable semi-annually in arrears on June 1 and December 1 of each year, beginning December 1, 2011.
Debt instrument, effective interest rate											7.25%
Debt instrument, conversion rate											32.5169
Principal amount of each convertible note											1,000
Convertible notes, initial conversion price per share											$ 30.75
Long term debt	280,104,000	[2]	267,013,000
Non cash additional interest expense on convertible notes	11,900,000		11,100,000	10,300,000
Sold warrants, shares of common stock											9,760,000
Sold warrants, shares of common stock strike price per share											$ 40.6175
Sold warrants, shares of common stock exercise date											Sep. 01, 2016
Sold warrants, shares of common stock expiring date											Dec. 31, 2016
Proceeds received from sale of sold warrants											28,800,000
Adjustments to additional paid in capital due convertible note hedge and warrants											(9,400,000)
Convertible notes, warrant strike price												$ 40.6175
Percentage of premiums												75.00%
Selling price per share of common stock												$ 23.21
Debt instrument, maturity date, month and year											2016-06
2.50% Convertible Notes | Semi Annual Payment, First Payment
Debt Instrument [Line Items]
Debt instrument, interest payment period											--06-01
2.50% Convertible Notes | Semi Annual Payment, Second Payment
Debt Instrument [Line Items]
Debt instrument, interest payment period											--12-01
2.50% Convertible Notes | Long | Call Option
Debt Instrument [Line Items]
Convertible notes, common stock option shares											9,800,000
Payment for the purchased call option											58,700,000
Deferred income tax related to convertible notes	$ 5,900,000										$ 20,600,000
2.50% Convertible Notes | Change of control or other fundamental change
Debt Instrument [Line Items]
Redemption price percentage per principal amount											100.00%
2.50% Convertible Notes | Accounting change
Debt Instrument [Line Items]
Redemption price percentage per principal amount											102.00%
2.50% Convertible Notes | Minimum
Debt Instrument [Line Items]
Percentage of closing price of the Company's common stock for at least 20 trading days in the 30 consecutive trading days											130.00%
2.50% Convertible Notes | Maximum
Debt Instrument [Line Items]
Percentage of closing price of the Company's common stock for at least 20 trading days in the 30 consecutive trading days											98.00%

[1] Reflects the net debt carrying amount of the 1.50% Convertible Notes in the consolidated balance sheet as of December 31, 2014, in accordance with accounting for convertible notes. The principal amount owed to the holders of the 1.50% Convertible Notes is $400.0 million.

[2] Reflects the net debt carrying amount of the 2.50% Convertible Notes in the consolidated balance sheet as of December 31, 2014, in accordance with accounting for convertible notes. The principal amount owed to the holders of the 2.50% Convertible Notes is $300.0 million.