Debt - Additional Information (Detail) - USD ($)					12 Months Ended
	Jan. 25, 2016	Oct. 23, 2015	Sep. 17, 2015	Sep. 04, 2015	Dec. 31, 2015	Dec. 31, 2014	Mar. 19, 2012
Debt Instrument [Line Items]
Debt instrument term					5 years
Proceeds from borrowings under Revolving Credit Facility					$ 150,000,000
Line of credit facility, interest rate description					The interest rate for this borrowing was 2.1250% and was applied on an actual/360 day basis.
Repayment of outstanding credit facility					$ 75,000,000
Debt issuance costs					1,715,000
Principal settlement amount					258,742,000	$ 12,000
Non-cash loss on extinguishment of Convertible Notes					$ 21,087,000
Convertible Notes Due 2017 [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Convertible Notes, aggregate principal amount							$ 258,800,000
Convertible Notes, payment terms					The Company was required to pay interest semi-annually in arrears on April 1 and October 1 of each year, at a rate of 2.625% per annum.
Aggregate principal amount of convertible notes settled					$ 258,800,000
Principal settlement amount					$ 259,900,000
Common stock, shares issued on redemption of convertible notes					5,638,576
Non-cash loss on extinguishment of Convertible Notes					$ 21,100,000
Forfeited accrued interest payable reclassified to additional paid-in capital					$ 1,700,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument term		5 years		1 year	5 years
Line of credit facility, maximum borrowing capacity		$ 300,000,000		$ 75,000,000
Proceeds from borrowings under Revolving Credit Facility		$ 75,000,000	$ 75,000,000
Line of credit facility, interest rate		2.125%	2.3125%
Line of credit facility, interest rate description					The interest rate for this borrowing was 2.3125% and was applied on an actual/360 day basis.
Repayment of outstanding credit facility		$ 75,000,000
Interest rate spread on base rate, description					(a) the LIBOR rate, plus an applicable margin ranging from 1.75% to 2.50% per annum, based upon the secured leverage ratio (as defined in the Credit Agreement) or (b) the prime lending rate, plus an applicable margin ranging from 0.75% to 1.50% per annum, based upon the senior secured net leverage ratio (as defined in the Credit Agreement).
Debt issuance costs					$ 1,700,000
Revolving Credit Facility [Member] | LIBOR [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest rate spread on base rate				1.75%
Revolving Credit Facility [Member] | LIBOR [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest rate spread on base rate				2.50%
Revolving Credit Facility [Member] | Prime Rate [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest rate spread on base rate				0.75%
Revolving Credit Facility [Member] | Prime Rate [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest rate spread on base rate				1.50%
Revolving Credit Facility [Member] | Subsequent Event
Debt Instrument [Line Items]
Repayment of outstanding credit facility	$ 75,000,000
Revolving Credit Facility [Member] | Multicurrency Sub-facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		50,000,000		$ 20,000,000
Revolving Credit Facility [Member] | Letter of Credit Sub-Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		20,000,000		10,000,000
Revolving Credit Facility [Member] | Swing Line Loan Sub-facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 10,000,000		$ 100,000
Credit Agreement [Member]
Debt Instrument [Line Items]
Obligations under credit agreement, description					(i) all tangible and intangible assets of the Loan Parties, except for certain customary excluded assets, and (ii) all of the capital stock owned by the Loan Parties thereunder (limited, in the case of the stock of certain non-U.S. subsidiaries of the Company and Domestic Foreign Holding Companies, to 65% of the capital stock of such subsidiaries).
Percentage of capital stock					65.00%