Debt and Credit Agreements (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of Line of Credit Facilities

The following table illustrates the amount outstanding under the multi-year revolving credit facility and available credit at December 31, 2015. The multi-year revolving credit facility is described in more detail below the table.

	Summary of Revolving Credit Facility
	December 31, 2015
(In thousands)	Facility Limit		Outstanding Balance		Outstanding Letters of Credit		Available Credit
Multi-year revolving credit facility (a U.S.-based program)	$	350,000	$	165,000	$	44,400	$	140,600

Schedule of Long-term Debt Instruments

	Long-Term Debt
(In thousands)	December 31 2015			December 31 2014
5.75% notes due May 15, 2018	$	449,005		$	448,626
Senior Secured Credit Facilities:
Term Loan Facility	250,000			—
Revolving Credit Facility (long-term portion)	143,000			—
2.7% Notes due October 15, 2015	—			249,733
Other financing payable (including capital leases) in varying amounts due principally through 2017 with a weighted-average interest rate of 5.6% and 4.0% at December 31, 2015 and 2014, respectively	38,830			156,538
Total debt	880,835			854,897
Less: current maturities	(25,084		)	(25,188		)
Total long-term debt	$	855,751		$	829,709

Schedule of Maturities of Long-term Debt

The maturities of long-term debt for the four years following December 31, 2016 are as follows:

(In thousands)
2017	$	45,294
2018	479,012
2019	331,225
2020	189