Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, after accumulated amortization, of debt premium.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Debt Facililties - 2020 Senior Notes redeemed (Details) - USD ($)		3 Months Ended		9 Months Ended
	Sep. 28, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Debt Instrument [Line Items]
Long term debt, gross		$ 2,665,805,000		$ 2,665,805,000		$ 1,457,964,000
Loss on debt extinguishment		22,156,000	$ 9,894,000	42,103,000	$ 10,499,000
Debt, redemption premium		2,036,000		2,036,000		1,862,000
Senior Notes [Member]
Debt Instrument [Line Items]
Long term debt, gross		5,781,500,000		5,781,500,000		3,850,000,000
Senior Notes [Member] \| 4.875% Senior Notes due 2020 [Member]
Debt Instrument [Line Items]
Long term debt, gross	$ 500,000,000.0	$ 0		$ 0		$ 500,000,000
Interest rate (percent)	4.875%	4.875%		4.875%
Redemption price, percentage	102.438%
Loss on debt extinguishment	$ 14,600,000
Debt, redemption premium	12,200,000
Write off of unamortized debt issuance	$ 2,400,000