Capital expenditures to fixed charges.

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- Definition

Equity Interest Pledged

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- Definition

Equity Interest Pledged in All Domestic Subsidiaries, Percentage

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Non-Voting Equity Interest Pledged in Certain Foreign Subsidiaries, Percentage

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- Definition

Threshold For Line Of Credit Borrowing Capacity

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- Definition

Threshold for line of credit facility percentage of asset based revolving credit facililties

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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.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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- 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

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 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

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

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Long-Term Debt (Schedule of Revolving Credit Facility) (Narrative) (Details) - Revolving Credit Facility - USD ($)		12 Months Ended
	Sep. 06, 2013	Dec. 31, 2017	Dec. 31, 2016	Nov. 15, 2016	Dec. 31, 2012	Jul. 22, 2011
Debt Instrument [Line Items]
Borrowing capacity under credit facility	$ 1,000,000,000.0			$ 700,000,000	$ 700,000,000	$ 400,000,000
Additional borrowings	$ 250,000,000
Capital expenditures to fixed charges ratio	100.00%
Threshold for line of credit facility percentage of asset based revolving credit facilities	10.00%
Undrawn availability		$ 326,200,000	$ 399,000,000
Equity interest pledged in all domestic subsidiaries, percentage		100.00%
Equity interest pledged in foreign subsidiaries, percentage		65.00%
Non-voting equity interest pledged in certain foreign subsidiaries, percentage		100.00%
Minimum
Debt Instrument [Line Items]
Threshold for line of credit facility borrowings	$ 70,000,000
Undrawn availability		$ 70,000,000
Line of credit facility commitment fee, percentage		0.25%
Maximum
Debt Instrument [Line Items]
Line of credit facility commitment fee, percentage		0.375%
Europe
Debt Instrument [Line Items]
Borrowing capacity under credit facility				210,000,000
U.S. Plans
Debt Instrument [Line Items]
Borrowing capacity under credit facility				441,000,000
Canada
Debt Instrument [Line Items]
Borrowing capacity under credit facility				$ 49,000,000