Debt and Credit Facilities - Total Debt Outstanding (Detail) - USD ($) $ in Millions		Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Short-term borrowings	[1],[2],[3]	$ 96.9	$ 83.0
Current portion of long-term debt	[4]	296.5	297.0
Total current debt		393.4	380.0
Other		2.1	3.3
Total long-term debt, less current portion	[5]	3,762.7	3,762.6
Total debt	[6],[7]	4,156.1	4,142.6
Term Loan A Due July 2019 [Member]
Debt Instrument [Line Items]
Credit facility amount outstanding	[4]	812.5	818.3
6.50% Senior Notes Due December 2020 [Member]
Debt Instrument [Line Items]
Senior Notes		423.2	423.1
4.875% Senior Notes due December 2022 [Member]
Debt Instrument [Line Items]
Senior Notes		419.8	419.6
5.25% Senior Notes Due April 2023 [Member]
Debt Instrument [Line Items]
Senior Notes		419.9	419.7
4.50% Senior Notes due September 2023 [Member]
Debt Instrument [Line Items]
Senior Notes		423.1	416.7
5.125% Senior Notes due December 2024 [Member]
Debt Instrument [Line Items]
Senior Notes		420.3	420.2
5.50% Senior Notes due September 2025 [Member]
Debt Instrument [Line Items]
Senior Notes		396.5	396.4
6.875% Senior Notes Due July 2033 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 445.3	$ 445.3

[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] Term Loan A facility due July 2019 has required prepayments which are due through the first quarter of 2018 and the outstanding balance of the Term Loan A facility due in July 2017 are included in the current portion of long-term debt.

[5] Amounts are net of unamortized discounts and issuance costs of $34.8 million as March 31, 2017 and $36.3 million as of December 31, 2016.

[6] As of March 31, 2017, our weighted average interest rate on our short-term borrowings outstanding was 3.4% and on our long-term debt outstanding was 4.6%. As of December 31, 2016, our weighted average interest rate on our short-term borrowings outstanding was 4.8% and on our long-term debt outstanding was 4.7%.

[7] Long-term debt instruments are listed in order of priority.