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Restructuring (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Feb. 28, 2014
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Nov. 30, 2013
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Aug. 31, 2013
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Feb. 28, 2013
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Nov. 30, 2012
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Aug. 31, 2012
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Feb. 28, 2014
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Feb. 28, 2013
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| Restructuring and Related Activities [Abstract] | ||||||||||||||||
| Employee severance costs | $ 6.6 | $ 1.9 | $ 18.8 | $ 4.0 | ||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||||
| Restructuring reserve, beginning balance | 13.4 | 10.6 | 8.9 | 9.8 | 10.3 | 9.5 | 8.9 | 9.5 | ||||||||
| Costs incurred and charged to expense | 6.6 | 5.9 | 6.3 | 1.9 | 1.0 | 1.1 | ||||||||||
| Costs paid or otherwise settled | (2.1) | (3.9) | (5.3) | (2.3) | (1.6) | (0.4) | ||||||||||
| Non-cash adjustments | 0.8 | [1] | 0.8 | [1] | 0.7 | [1] | (0.4) | [1] | 0.1 | [1] | 0.1 | [1] | ||||
| Restructuring reserve, ending balance | $ 18.7 | $ 13.4 | $ 10.6 | $ 9.0 | $ 9.8 | $ 10.3 | $ 18.7 | $ 9.0 | ||||||||
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