Debt instrument interest additional interest above base rate.

No definition available.

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- Definition

Debt instrument interest base rate.

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Payment Terms, Period Principal Payments are Deferred

+ References

No definition available.

+ Details

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

+ Details

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Period Type:	instant

- Definition

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

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section S45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68176171&loc=SL68176184-208336

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Fair value of all derivatives designated as interest rate fair value hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Details

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- Details

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- Details

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- Details

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Debt (Detail) - Borrowings - USD ($)		3 Months Ended	12 Months Ended
Debt (Detail) - Borrowings - USD ($)	Mar. 30, 2017	Mar. 31, 2017	Dec. 31, 2012	Dec. 31, 2016
Debt Instrument [Line Items]
Long-term debt, gross		$ 1,657,500,000		$ 702,500,000
Debt issuance costs, line of credit arrangements, net		(28,803,000)		(8,109,000)
Long-term debt		$ 1,628,697,000		694,391,000
Debt instrument, effective percentage		2.89%
Interest rate swaps
Debt Instrument [Line Items]
Derivative, term of contract		30 days
Interest rate, fair value hedge derivative at fair value, net (negative fair value)		$ 6,600,000
Bank Term Loan
Debt Instrument [Line Items]
Long-term debt, gross		$ 585,000,000		585,000,000
Contractual annualized interest rate		2.23%
Debt instrument interest base rate		0.98%
Debt instrument interest additional interest above base rate		1.25%
Bank Term Loan \| 2016 Agreement
Debt Instrument [Line Items]
Long-term debt, gross		$ 585,000,000
Senior Notes
Debt Instrument [Line Items]
Debt instrument term	8 years
Connecticut Economic Development Program
Debt Instrument [Line Items]
Long-term debt, gross		2,500,000.0		2,500,000
Debt instrument, fixed interest rate			3.00%
Debt instrument term			10 years
Debt instrument, period principal payments are deferred			5 years
Revolving credit facility
Debt Instrument [Line Items]
Long-term debt, gross		$ 270,000,000		$ 115,000,000
Contractual annualized interest rate		2.23%
Debt instrument interest additional interest above base rate		1.25%
Line of credit facility, remaining borrowing capacity		$ 927,000,000
Revolving credit facility \| 2016 Agreement
Debt Instrument [Line Items]
Long-term debt, gross		270,000,000
CEB \| Senior Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 800,000,000	$ 800,000,000
Proceeds from issuance of debt	$ 800,000,000
Debt instrument, fixed interest rate	5.125%