[Line Items] for Debt Narrative Detail Information

No definition available.

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- Definition

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

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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

- Definition

Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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Data Type:	xbrli:monetaryItemType
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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Debt - Additional Information (Details) - USD ($) $ in Millions			3 Months Ended		9 Months Ended
	Oct. 09, 2019	Oct. 02, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Debt Narrative Detail Information
Deferred Debt Costs			$ 0.3		$ 0.3
Cost Related to Early Retirement of Debt			(25.2)	$ 0.0	(25.2)	$ 0.0
Total Line of Credit Facility, Maximum Borrowing Capacity			600.0		600.0
Total Borrowed Amounts Outstanding			0.0		0.0
Total Letters of Credit Outstanding, Amount			$ 0.6		$ 0.6
Capital Securities Notes Payable Due 2038 [Member]
Debt Narrative Detail Information
Debt Instrument, Interest Rate, Stated Percentage			7.405%		7.405%
Extinguishment of Debt, Amount					$ 20.2
Capital Securities Notes Payable Due 2038 [Member] \| Subsequent Event
Debt Narrative Detail Information
Extinguishment of Debt, Amount		$ 2.6
Senior Notes \| 5.625% Senior Notes Due 2020
Debt Narrative Detail Information
Debt Instrument, Interest Rate, Stated Percentage			5.625%		5.625%
Senior Notes \| 4.500% Senior Notes Due 2049
Debt Narrative Detail Information
Proceeds from Issuance of Debt					$ 450.0
Debt Instrument, Interest Rate, Stated Percentage			4.50%		4.50%
Senior Notes \| 7.250% Senior Notes Due 2028
Debt Narrative Detail Information
Debt Instrument, Interest Rate, Stated Percentage			7.25%		7.25%
Extinguishment of Debt, Amount					$ 30.0
Senior Notes \| 3.000% Senior Notes Due 2021
Debt Narrative Detail Information
Debt Instrument, Interest Rate, Stated Percentage			3.00%		3.00%
Extinguishment of Debt, Amount					$ 256.0
Senior Notes \| 3.000% Senior Notes Due 2021 \| Subsequent Event
Debt Narrative Detail Information
Extinguishment of Debt, Amount	$ 94.0
Senior Notes \| 4.000% Senior Notes Due 2029
Debt Narrative Detail Information
Proceeds from Issuance of Debt					$ 400.0
Debt Instrument, Interest Rate, Stated Percentage			4.00%		4.00%
Junior Subordinated Debt \| 7.405% Junior Subordinated Notes Due 2038
Debt Narrative Detail Information
Debt Instrument, Interest Rate, Stated Percentage			7.405%		7.405%
Extinguishment of Debt, Amount					$ 20.2
Junior Subordinated Debt \| 7.405% Junior Subordinated Notes Due 2038 \| Subsequent Event
Debt Narrative Detail Information
Extinguishment of Debt, Amount		$ 2.6
Medium-term Notes \| 7.190% Medium-Term Notes Due 2028
Debt Narrative Detail Information
Debt Instrument, Interest Rate, Stated Percentage			7.19%		7.19%
Extinguishment of Debt, Amount					$ 30.3
Northwind Holdings LLC
Debt Narrative Detail Information
Principal Payments on Long-term Debt					$ 45.0