Financial Statement Presentation (Details 2)	9 Months Ended	12 Months Ended
	Sep. 30, 2017 operating_segments weeks	Dec. 31, 2016 Months
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Fiscal Period Weeks Standard - Historical Calendar | weeks	12
Number of periods or months in advance that certain of our international businesses close their books		1
Fiscal Period Weeks Standard Fourth Quarter - Historical Calendar | weeks	16
Number of Reportable Segments | operating_segments	3
Fiscal period months standard first quarter		2
Fiscal period months standard second and third quarters		3
Fiscal period months standard fourth quarter		4