Debt - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended			9 Months Ended					9 Months Ended		3 Months Ended			3 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	0 Months Ended		9 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Sep. 27, 2014	Sep. 28, 2013	Dec. 31, 2013	Sep. 27, 2014 Minimum	Sep. 27, 2014 Maximum	Sep. 27, 2014 Line of credit	Sep. 27, 2014 Line of credit Domestic subsidiaries	Sep. 27, 2014 Line of credit Foreign subsidiaries	Sep. 27, 2014 Line of credit Eurocurrency rate	Sep. 27, 2014 Line of credit Base rate	Mar. 30, 2013 7.875% Senior Notes due 2018	Sep. 27, 2014 7.875% Senior Notes due 2018	Dec. 31, 2013 7.875% Senior Notes due 2018	Mar. 30, 2013 8.125% Senior Notes due 2020	Sep. 27, 2014 8.125% Senior Notes due 2020	Dec. 31, 2013 8.125% Senior Notes due 2020	Sep. 27, 2014 4.75% Senior Notes due 2023	Dec. 31, 2013 4.75% Senior Notes due 2023	Mar. 11, 2014 5.375% Senior Notes due 2024	Mar. 11, 2014 5.375% Senior Notes due 2024	Sep. 27, 2014 5.375% Senior Notes due 2024	Sep. 27, 2014 5.375% Senior Notes due 2024 Prior to March fifteen two thousand seventeen	Sep. 27, 2014 5.375% Senior Notes due 2024 Prior to March fifteen two thousand nineteen
Debt Instrument [Line Items]
Debt instrument redemption price percentage																								105.375%	100.00%
Long-term debt, aggregate principal amount																	$ 245,000,000		$ 500,000,000				$ 325,000,000
Long-term debt, stated coupon rate															7.875%		8.125%	8.125%	4.75%	4.75%			5.375%
Long-term debt, price																	99.164%
Long-term debt, yield to maturity																	8.25%
Notes, payment terms																	The 2020 Notes were issued on March 26, 2010, and interest is payable on March 15 and September 15 of each year.		The 2023 Notes were issued on January 17, 2013, and interest is payable on January 15 and July 15 of each year.				The 2024 Notes were issued on March 11, 2014, and interest is payable on March 15 and September 15 of each year.
Long-term debt, maturity date																	Mar. 15, 2020	Mar. 15, 2020	Jan. 15, 2023	Jan. 15, 2023
Proceeds from issuance of debt																					325,000,000
Debt issuance cost																						3,800,000
Payment for redemption of aggregate principal amount		70,000,000												280,000,000			35,000,000
Percentage of debt redemption													10.00%			10.00%	10.00%
Cash paid for debt redemption	327,100,000	72,100,000	327,100,000	72,100,000
Loss on extinguishment of debt	17,500,000	3,600,000	17,500,000	3,600,000
Senior notes, redemption description																							Prior to March 15, 2017, the Company may redeem up to 35% of the aggregate principal amount of the 2024 Notes, in an amount not to exceed the amount of net cash proceeds of one or more equity offerings, at a redemption price equal to 105.375% of the aggregate principal amount thereof, plus accrued and unpaid interest to the redemption date, provided that at least 65% of the original aggregate principal amount of the 2024 Notes remains outstanding after the redemption and any such redemption is made 90 days after the closing of such equity offering. Prior to March 15, 2019, the Company may redeem the 2024 Notes, in whole or in part, at a redemption price equal to 100% of the aggregate principal amount thereof, plus a “make-whole” premium as of, and accrued and unpaid interest to, the redemption date.
Senior notes, redeemable percentage of the aggregate principal amount of the Notes in equity offerings																								35.00%
Outstanding original aggregate principal amount																								65.00%
Redemption of notes																								90 days
Description of notes restrictive covenants																	The indenture governing the 2020 Notes contains restrictive covenants that, among other things, limit the ability of the Company and its subsidiaries to: (i) incur additional debt, (ii) pay dividends and make other restricted payments, (iii) create or permit certain liens, (iv) issue or sell capital stock of the Company’s restricted subsidiaries, (v) use the proceeds from sales of assets and subsidiary stock, (vi) create or permit restrictions on the ability of the Company’s restricted subsidiaries to pay dividends or make other distributions to the Company, (vii) enter into transactions with affiliates, (viii) enter into sale and leaseback transactions and (ix) consolidate or merge or sell all or substantially all of the Company’s assets. The foregoing limitations are subject to exceptions as set forth in the 2020 Notes. In addition, if in the future the 2020 Notes have an investment grade credit rating from both Moody’s Investors Service and Standard & Poor’s Ratings Services and no default has occurred and is continuing, certain of these covenants will, thereafter, no longer apply to the 2020 Notes for so long as the 2020 Notes have an investment grade credit rating by both rating agencies. The indenture governing the 2020 Notes also contains customary events of default.		Subject to certain exceptions, the indenture governing the 2023 Notes and 2024 Notes contains restrictive covenants that, among other things, limit the ability of the Company to: (i) create or permit certain liens, (ii) enter into sale and leaseback transactions and (iii) consolidate or merge or sell all or substantially all of the Company’s assets. These indentures also provide for customary events of default.				Subject to certain exceptions, the indenture governing the 2023 Notes and 2024 Notes contains restrictive covenants that, among other things, limit the ability of the Company to: (i) create or permit certain liens, (ii) enter into sale and leaseback transactions and (iii) consolidate or merge or sell all or substantially all of the Company’s assets. These indentures also provide for customary events of default.
Compliance with covenants under Notes			As of September 27, 2014, the Company was in compliance with all covenants under the indentures governing the Notes.														As of September 27, 2014, the Company was in compliance with all covenants under the indentures governing the Notes.		As of September 27, 2014, the Company was in compliance with all covenants under the indentures governing the Notes.
Line of credit facility, maturity date			Jan. 30, 2018
Line of credit facility, maximum borrowing capacity			1,000,000,000.0
Borrowings outstanding			$ 0		$ 0
Minimum interest rate margin											1.00%	0.00%
Maximum interest rate margin											2.25%	1.25%
Line of credit facility, interest rate at period end											1.50%	0.50%
Line of credit facility, facility fee						0.25%	0.50%
Percentage of stock secured on a first priority basis									100.00%	65.00%
Percentage owned, domestic subsidiaries			1
Line of credit facility, covenants and restrictions								The revolving credit facility contains various customary representations, warranties and covenants by the Company, including, without limitation, (i) covenants regarding maximum leverage and minimum interest coverage, (ii) limitations on fundamental changes involving the Company or its subsidiaries and (iii) limitations on indebtedness, liens, investments and restricted payments.
Line of credit facility, compliance with covenants								As of September 27, 2014, the Company was in compliance with all covenants under the agreement governing the revolving credit facility.