Debt and Credit Facilities - Lines of Credit (Detail) - USD ($) $ in Millions		Mar. 31, 2017	Dec. 31, 2016
Debt Disclosure [Abstract]
Used lines of credit	[1],[2],[3]	$ 96.9	$ 83.0
Unused lines of credit		1,026.1	1,074.4
Total available lines of credit	[4]	$ 1,123.0	$ 1,157.4

[1] As of March 31, 2017 and December 31, 2016, there were $26.3 million and $25.4 million of cash held on deposit, respectively, as a compensating balance for certain short-term borrowings, which is recorded in other current assets on the Condensed Consolidated Balance Sheet

[2] Includes total borrowings under the accounts receivable securitization programs, the revolving credit facility and borrowings under lines of credit available to several subsidiaries.

[3] Short-term borrowings of $96.9 million at March 31, 2017 are comprised primarily of $61.9 million short-term borrowing from various lines of credit, $30.0 million of borrowings outstanding under our U.S. accounts receivable securitization program and $5.0 million outstanding under our revolving credit facility. Short-term borrowings at December 31, 2016 were comprised primarily of $83.0 million short-term borrowings from various lines of credit.

[4] Of the total available lines of credit, $869.8 million were committed as of March 31, 2017.